Colab_Class_15.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "provenance": []
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    },
    "language_info": {
      "name": "python"
    }
  },
  "cells": [
    {
      "cell_type": "code",
      "execution_count": 1,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "8_Upg-7YgOzc",
        "outputId": "0d17f050-ec87-49c6-b523-8aafeec10b90"
      },
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "Venky\n",
            "132597353422000\n",
            "VenkyViky\n",
            "132597366500208\n"
          ]
        }
      ],
      "source": [
        "name = \"Venky\"\n",
        "print(name)\n",
        "print(id(name))\n",
        "name += \"Viky\"\n",
        "print(name)\n",
        "print(id(name))"
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "a = 10\n",
        "print(a)\n",
        "print(id(a))\n",
        "a += 12\n",
        "print(a)\n",
        "print(id(a))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "8b21Q0wNm3jQ",
        "outputId": "8f112a9e-74e7-4222-d369-6a6f200170ad"
      },
      "execution_count": 2,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "10\n",
            "132597782856208\n",
            "22\n",
            "132597782856592\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "s1 = \"mit u rock\"\n",
        "s2 = \"i rule mit\"\n",
        "\n",
        "if len(s1) == len(s2):\n",
        "  for c1 in s1:\n",
        "    for c2 in s2:\n",
        "      if c1==c2:\n",
        "        print(\"c1: -->\", c1)\n",
        "        print(\"c2: -->\", c2)\n",
        "        print(\"Gate DA\")\n",
        "        break\n"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "K5n-W7SFqPLi",
        "outputId": "61869821-03b7-434e-ec34-8cf3482a4525"
      },
      "execution_count": 3,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "c1: --> m\n",
            "c2: --> m\n",
            "Gate DA\n",
            "c1: --> i\n",
            "c2: --> i\n",
            "Gate DA\n",
            "c1: --> t\n",
            "c2: --> t\n",
            "Gate DA\n",
            "c1: -->  \n",
            "c2: -->  \n",
            "Gate DA\n",
            "c1: --> u\n",
            "c2: --> u\n",
            "Gate DA\n",
            "c1: -->  \n",
            "c2: -->  \n",
            "Gate DA\n",
            "c1: --> r\n",
            "c2: --> r\n",
            "Gate DA\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "L = [\"life\", \"anseer\", 42, 0]\n",
        "\n",
        "for v in L:\n",
        "  if v==0:\n",
        "    L[v] = \"Venky\"\n",
        "  elif v==42:\n",
        "    L[1] = 0\n",
        "    L[3] = \"Viky\"\n",
        "\n",
        "print(L)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "EHreY_4grjbI",
        "outputId": "03342640-1e01-4202-e5a6-971946eea8ce"
      },
      "execution_count": 4,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "['life', 0, 42, 'Viky']\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "L = [\"life\", \"anseer\", 42, 0]\n",
        "\n",
        "for v in L:\n",
        "  print(v)\n",
        "  if v==0:\n",
        "    L[v] = \"Venky\"\n",
        "  elif v==42:\n",
        "    L[1] = 0\n",
        "\n",
        "print(L)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "Ewlqaya2ssAy",
        "outputId": "83ecfdbc-cae9-4dd7-8fff-6d09e28fdb98"
      },
      "execution_count": 6,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "life\n",
            "anseer\n",
            "42\n",
            "0\n",
            "['Venky', 0, 42, 0]\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "L = '3'\n",
        "\n",
        "print(len(L))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "RNzHGs7stGls",
        "outputId": "e118925f-0bd2-4bb9-f472-e90e010793f5"
      },
      "execution_count": 8,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "1\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# any\n",
        "\n",
        "any([2>8, 2>4, 1>2])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "D5Bmypit1GHD",
        "outputId": "22b9c79d-39ba-4586-812e-31b24d561916"
      },
      "execution_count": 10,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 10
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# all\n",
        "\n",
        "all([8>2, 2<4, 1<2])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "qfkrJv1U1W9I",
        "outputId": "23cd45a7-3a9c-44f8-a522-c2d7c1a0aa1c"
      },
      "execution_count": 11,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 11
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "all([8>2, 2>4, 1<2])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "8_P6_U0b1dO8",
        "outputId": "4534acc3-d08e-4b51-9c83-8868e26f198c"
      },
      "execution_count": 12,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 12
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "any([8,3,2])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "UVCkFdSK1-Rv",
        "outputId": "d1d60eab-3ca7-441c-99fe-a06196e90aee"
      },
      "execution_count": 14,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 14
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "all(3,0.4,2)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 144
        },
        "id": "AbVyg6Bn2ESQ",
        "outputId": "21f6aa92-b5b8-4515-f3a4-352c2dfb9762"
      },
      "execution_count": 15,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "all() takes exactly one argument (3 given)",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-15-8f3357fdbd27>\u001b[0m in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mall\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m0.4\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: all() takes exactly one argument (3 given)"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "all([3,0.4,2])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "_xIRXTjd2Gn0",
        "outputId": "36301a89-bf01-4c9f-ae15-4abcd1fedc57"
      },
      "execution_count": 16,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 16
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "any([\"abc\",\"12\",1.2,1.4,1, \"\"])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "c380j10q2iHc",
        "outputId": "fd0b48ef-9237-4f26-d79e-5e4094cb6a52"
      },
      "execution_count": 18,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 18
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "all([\"abc\",\"12\",1.2,1.4,1, \"\"])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "YcDCIco62sxd",
        "outputId": "1756fbcb-220b-4088-efc2-dcad5ec1c59d"
      },
      "execution_count": 19,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 19
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "all([])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "_MRDT7jR3Sf_",
        "outputId": "31f27057-b1ec-4d7d-941d-2256bd9279f7"
      },
      "execution_count": 20,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 20
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "any([])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "XdaMQBPA3WgR",
        "outputId": "b2283287-de12-4305-9680-297ad0ce09c0"
      },
      "execution_count": 21,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 21
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# sum\n",
        "\n",
        "sum(1,2,3)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 180
        },
        "id": "ih59EYB93i1w",
        "outputId": "04b502bd-c977-4121-a4a6-2f38d1fe4d35"
      },
      "execution_count": 22,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "sum() takes at most 2 arguments (3 given)",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-22-9abf85fcdcc3>\u001b[0m in \u001b[0;36m<cell line: 3>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;31m# sum\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      2\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m \u001b[0msum\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: sum() takes at most 2 arguments (3 given)"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "sum(1,2)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 144
        },
        "id": "22qvB7Jw3yPT",
        "outputId": "5379b765-11b0-4863-ee85-33f34afbfac7"
      },
      "execution_count": 23,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "'int' object is not iterable",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-23-a91f35d5101e>\u001b[0m in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0msum\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: 'int' object is not iterable"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "sum([1,2,3])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "9qqMLHob32ZQ",
        "outputId": "31299724-3d94-43b0-c4ef-f6f05a4e8dde"
      },
      "execution_count": 24,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "6"
            ]
          },
          "metadata": {},
          "execution_count": 24
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "sum([1,2,3], 4)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "p3FmJ4lA38zO",
        "outputId": "b9cba5d8-8c3f-4631-960b-f03c6e6fbcb1"
      },
      "execution_count": 25,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "10"
            ]
          },
          "metadata": {},
          "execution_count": 25
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "sum([1,2], 10)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 144
        },
        "id": "sTc7XSLq4C7-",
        "outputId": "f49e0eaa-0ce7-40f5-d0fc-2ca91c830959"
      },
      "execution_count": 28,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "can only concatenate list (not \"int\") to list",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-28-15e8a7e822b8>\u001b[0m in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0msum\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m5\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: can only concatenate list (not \"int\") to list"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "sum(['1','2','3'])"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 144
        },
        "id": "9oSMfoWO4dU6",
        "outputId": "5643cb8b-fcf0-4f96-9c63-3054e71ebdeb"
      },
      "execution_count": 30,
      "outputs": [
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "unsupported operand type(s) for +: 'int' and 'str'",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-30-f5b0a9351cb5>\u001b[0m in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0msum\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'1'\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m'2'\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m'3'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mTypeError\u001b[0m: unsupported operand type(s) for +: 'int' and 'str'"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "max(False, -2, -3)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ul_2EyNz4mRf",
        "outputId": "609b1d42-2700-45c6-f083-9090c27e63fa"
      },
      "execution_count": 31,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 31
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "min(False, 2, 7)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "a71DCqtN5iEN",
        "outputId": "8b9aee2d-0974-4903-b3d4-dbfaa082b069"
      },
      "execution_count": 32,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 32
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "max(False, -2, -7, True)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "NHTCl2VC5mdX",
        "outputId": "ec3ec031-e66e-4f8c-c9c1-3ba98e7405a8"
      },
      "execution_count": 34,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
            ]
          },
          "metadata": {},
          "execution_count": 34
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "L = [\"Venky\", \"Viky\", \"Virat\", \"RBR\", \"Kohli\", \"Rohit\"]\n",
        "\n",
        "list(enumerate(L))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "pA_XLpzw6p-i",
        "outputId": "27fe6267-2f00-4992-dd88-1aa832c9e47c"
      },
      "execution_count": 35,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "[(0, 'Venky'),\n",
              " (1, 'Viky'),\n",
              " (2, 'Virat'),\n",
              " (3, 'RBR'),\n",
              " (4, 'Kohli'),\n",
              " (5, 'Rohit')]"
            ]
          },
          "metadata": {},
          "execution_count": 35
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "complex(\"1-2j\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "FKvWjtRQ6_ok",
        "outputId": "bdce5603-b7a6-461e-f9d4-df13bea07d91"
      },
      "execution_count": 36,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "(1-2j)"
            ]
          },
          "metadata": {},
          "execution_count": 36
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "complex(\"-2j+2\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 144
        },
        "id": "WIwcdzO67ETo",
        "outputId": "17b0e68a-a7d5-4bf6-a23d-84ee1f920257"
      },
      "execution_count": 38,
      "outputs": [
        {
          "output_type": "error",
          "ename": "ValueError",
          "evalue": "complex() arg is a malformed string",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mValueError\u001b[0m                                Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-38-1157c5a30596>\u001b[0m in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mcomplex\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"-2j+2\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
            "\u001b[0;31mValueError\u001b[0m: complex() arg is a malformed string"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "float(\"1e-003\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "6a7mCgYn8AzB",
        "outputId": "226d3916-e9ab-490f-a8bf-112d83ccb3c4"
      },
      "execution_count": 39,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0.001"
            ]
          },
          "metadata": {},
          "execution_count": 39
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "float(\"2e+003\")"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "1oGy7GAq8FCV",
        "outputId": "9bf998f2-0756-4423-bce5-8945353f200d"
      },
      "execution_count": 40,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "2000.0"
            ]
          },
          "metadata": {},
          "execution_count": 40
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "float()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "wc6Yrmgo8INr",
        "outputId": "58a597d6-e675-4e2f-ea5d-00934533cfad"
      },
      "execution_count": 41,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0.0"
            ]
          },
          "metadata": {},
          "execution_count": 41
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "complex()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "h9rbI_eG8J5X",
        "outputId": "b3b5391a-9ca0-43ce-e17e-39d162296e2f"
      },
      "execution_count": 42,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0j"
            ]
          },
          "metadata": {},
          "execution_count": 42
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "float('    -12345   \\n')"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ATVaovMA80eZ",
        "outputId": "2682db26-04fd-46b7-e83e-3598bf000dfe"
      },
      "execution_count": 44,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "-12345.0"
            ]
          },
          "metadata": {},
          "execution_count": 44
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "virat = rohit\n",
        "print(virat)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 162
        },
        "id": "XzrKLG8i9ron",
        "outputId": "ecc8c68d-882f-4756-9f37-98bf26bcadb7"
      },
      "execution_count": 45,
      "outputs": [
        {
          "output_type": "error",
          "ename": "NameError",
          "evalue": "name 'rohit' is not defined",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-45-5b64a8056294>\u001b[0m in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mvirat\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mrohit\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      2\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mvirat\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;31mNameError\u001b[0m: name 'rohit' is not defined"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x = 0b101\n",
        "print(x)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "wUGk4yvB_Sdv",
        "outputId": "06261796-4c99-4595-96a1-59da19820110"
      },
      "execution_count": 46,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "5\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x = 0x4f5\n",
        "print(x)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "synvLoaf_gdp",
        "outputId": "6298b8d7-8179-4d1d-b2b8-858a236545b9"
      },
      "execution_count": 47,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "1269\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "5*1 + 15*16 + 4*16*16"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "AlYAEo08_jyQ",
        "outputId": "343c4430-3df0-4a2a-bfe2-a48504b2255e"
      },
      "execution_count": 48,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "1269"
            ]
          },
          "metadata": {},
          "execution_count": 48
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x = 19023\n",
        "\n",
        "print(x)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "AlerU1hx_tem",
        "outputId": "e54c496d-3167-436d-932d-431b679454ba"
      },
      "execution_count": 49,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "19023\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x = 03964"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 109
        },
        "id": "XjtIlIHB_xUS",
        "outputId": "f76c3b72-2a64-44cc-af00-c5f82a8fae2c"
      },
      "execution_count": 51,
      "outputs": [
        {
          "output_type": "error",
          "ename": "SyntaxError",
          "evalue": "leading zeros in decimal integer literals are not permitted; use an 0o prefix for octal integers (<ipython-input-51-df8ca423d9af>, line 1)",
          "traceback": [
            "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-51-df8ca423d9af>\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m    x = 03964\u001b[0m\n\u001b[0m        ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m leading zeros in decimal integer literals are not permitted; use an 0o prefix for octal integers\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x = 0o396"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 109
        },
        "id": "KgfEGFN9_9LM",
        "outputId": "25373a15-a11d-4e8c-a77f-2df1673c715c"
      },
      "execution_count": 54,
      "outputs": [
        {
          "output_type": "error",
          "ename": "SyntaxError",
          "evalue": "invalid digit '9' in octal literal (<ipython-input-54-178dc64e4911>, line 1)",
          "traceback": [
            "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-54-178dc64e4911>\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m    x = 0o396\u001b[0m\n\u001b[0m           ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid digit '9' in octal literal\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "STVLsdZSAACf",
        "outputId": "aa8c63da-524e-4417-fd10-e5b5fe7c3736"
      },
      "execution_count": 53,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "254"
            ]
          },
          "metadata": {},
          "execution_count": 53
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x = ['ab', 'cd']\n",
        "for i in range(len(x)):\n",
        "  print(\"i: -->\", i)\n",
        "  x.append(x[i].upper())\n",
        "print(x)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ybhT_JTlDISO",
        "outputId": "adc4f32f-4093-4fcd-8e41-b87ef8885c63"
      },
      "execution_count": 56,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "i: --> 0\n",
            "i: --> 1\n",
            "['ab', 'cd', 'AB', 'CD']\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "x = ['ab', 'cd']\n",
        "for i in x:\n",
        "  print(\"i: -->\", i)\n",
        "  x.append(i.upper())\n",
        "print(x)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 1000
        },
        "id": "UoybtRclDTlC",
        "outputId": "48ef186e-ca59-4d25-f0b7-01adf8f06fa1"
      },
      "execution_count": 57,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "\u001b[1;30;43mStreaming output truncated to the last 5000 lines.\u001b[0m\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n",
            "i: --> AB\n",
            "i: --> CD\n"
          ]
        },
        {
          "output_type": "stream",
          "name": "stderr",
          "text": [
            "ERROR:root:Internal Python error in the inspect module.\n",
            "Below is the traceback from this internal error.\n",
            "\n"
          ]
        },
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "Traceback (most recent call last):\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py\", line 3553, in run_code\n",
            "    exec(code_obj, self.user_global_ns, self.user_ns)\n",
            "  File \"<ipython-input-57-1e8eeaedd534>\", line 3, in <cell line: 2>\n",
            "    print(\"i: -->\", i)\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/ipykernel/iostream.py\", line 402, in write\n",
            "    self.pub_thread.schedule(lambda : self._buffer.write(string))\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/ipykernel/iostream.py\", line 203, in schedule\n",
            "    self._event_pipe.send(b'')\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/zmq/sugar/socket.py\", line 620, in send\n",
            "    return super().send(data, flags=flags, copy=copy, track=track)\n",
            "  File \"zmq/backend/cython/socket.pyx\", line 746, in zmq.backend.cython.socket.Socket.send\n",
            "  File \"zmq/backend/cython/socket.pyx\", line 793, in zmq.backend.cython.socket.Socket.send\n",
            "  File \"zmq/backend/cython/socket.pyx\", line 250, in zmq.backend.cython.socket._send_copy\n",
            "  File \"zmq/backend/cython/checkrc.pxd\", line 13, in zmq.backend.cython.checkrc._check_rc\n",
            "KeyboardInterrupt\n",
            "\n",
            "During handling of the above exception, another exception occurred:\n",
            "\n",
            "Traceback (most recent call last):\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py\", line 2099, in showtraceback\n",
            "    stb = value._render_traceback_()\n",
            "AttributeError: 'KeyboardInterrupt' object has no attribute '_render_traceback_'\n",
            "\n",
            "During handling of the above exception, another exception occurred:\n",
            "\n",
            "Traceback (most recent call last):\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\", line 1101, in get_records\n",
            "    return _fixed_getinnerframes(etb, number_of_lines_of_context, tb_offset)\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\", line 248, in wrapped\n",
            "    return f(*args, **kwargs)\n",
            "  File \"/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\", line 281, in _fixed_getinnerframes\n",
            "    records = fix_frame_records_filenames(inspect.getinnerframes(etb, context))\n",
            "  File \"/usr/lib/python3.10/inspect.py\", line 1662, in getinnerframes\n",
            "    frameinfo = (tb.tb_frame,) + getframeinfo(tb, context)\n",
            "  File \"/usr/lib/python3.10/inspect.py\", line 1620, in getframeinfo\n",
            "    filename = getsourcefile(frame) or getfile(frame)\n",
            "  File \"/usr/lib/python3.10/inspect.py\", line 826, in getsourcefile\n",
            "    if os.path.exists(filename):\n",
            "  File \"/usr/lib/python3.10/genericpath.py\", line 19, in exists\n",
            "    os.stat(path)\n",
            "KeyboardInterrupt\n"
          ]
        },
        {
          "output_type": "error",
          "ename": "TypeError",
          "evalue": "object of type 'NoneType' has no len()",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mKeyboardInterrupt\u001b[0m                         Traceback (most recent call last)",
            "    \u001b[0;31m[... skipping hidden 1 frame]\u001b[0m\n",
            "\u001b[0;32m<ipython-input-57-1e8eeaedd534>\u001b[0m in \u001b[0;36m<cell line: 2>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      2\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0mi\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mx\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m   \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"i: -->\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mi\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      4\u001b[0m   \u001b[0mx\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mappend\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mi\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mupper\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/ipykernel/iostream.py\u001b[0m in \u001b[0;36mwrite\u001b[0;34m(self, string)\u001b[0m\n\u001b[1;32m    401\u001b[0m             \u001b[0;31m# only touch the buffer in the IO thread to avoid races\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 402\u001b[0;31m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mpub_thread\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mschedule\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;32mlambda\u001b[0m \u001b[0;34m:\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_buffer\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mwrite\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mstring\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    403\u001b[0m             \u001b[0;32mif\u001b[0m \u001b[0mis_child\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/ipykernel/iostream.py\u001b[0m in \u001b[0;36mschedule\u001b[0;34m(self, f)\u001b[0m\n\u001b[1;32m    202\u001b[0m             \u001b[0;31m# wake event thread (message content is ignored)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 203\u001b[0;31m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_event_pipe\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msend\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34mb''\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    204\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/zmq/sugar/socket.py\u001b[0m in \u001b[0;36msend\u001b[0;34m(self, data, flags, copy, track, routing_id, group)\u001b[0m\n\u001b[1;32m    619\u001b[0m             \u001b[0mdata\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mgroup\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mgroup\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 620\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0msuper\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msend\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mdata\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mflags\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mflags\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcopy\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mcopy\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtrack\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mtrack\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    621\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32mzmq/backend/cython/socket.pyx\u001b[0m in \u001b[0;36mzmq.backend.cython.socket.Socket.send\u001b[0;34m()\u001b[0m\n",
            "\u001b[0;32mzmq/backend/cython/socket.pyx\u001b[0m in \u001b[0;36mzmq.backend.cython.socket.Socket.send\u001b[0;34m()\u001b[0m\n",
            "\u001b[0;32mzmq/backend/cython/socket.pyx\u001b[0m in \u001b[0;36mzmq.backend.cython.socket._send_copy\u001b[0;34m()\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/zmq/backend/cython/checkrc.pxd\u001b[0m in \u001b[0;36mzmq.backend.cython.checkrc._check_rc\u001b[0;34m()\u001b[0m\n",
            "\u001b[0;31mKeyboardInterrupt\u001b[0m: ",
            "\nDuring handling of the above exception, another exception occurred:\n",
            "\u001b[0;31mAttributeError\u001b[0m                            Traceback (most recent call last)",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py\u001b[0m in \u001b[0;36mshowtraceback\u001b[0;34m(self, exc_tuple, filename, tb_offset, exception_only, running_compiled_code)\u001b[0m\n\u001b[1;32m   2098\u001b[0m                         \u001b[0;31m# in the engines. This should return a list of strings.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 2099\u001b[0;31m                         \u001b[0mstb\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mvalue\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_render_traceback_\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   2100\u001b[0m                     \u001b[0;32mexcept\u001b[0m \u001b[0mException\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;31mAttributeError\u001b[0m: 'KeyboardInterrupt' object has no attribute '_render_traceback_'",
            "\nDuring handling of the above exception, another exception occurred:\n",
            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
            "    \u001b[0;31m[... skipping hidden 1 frame]\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py\u001b[0m in \u001b[0;36mshowtraceback\u001b[0;34m(self, exc_tuple, filename, tb_offset, exception_only, running_compiled_code)\u001b[0m\n\u001b[1;32m   2099\u001b[0m                         \u001b[0mstb\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mvalue\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_render_traceback_\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   2100\u001b[0m                     \u001b[0;32mexcept\u001b[0m \u001b[0mException\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 2101\u001b[0;31m                         stb = self.InteractiveTB.structured_traceback(etype,\n\u001b[0m\u001b[1;32m   2102\u001b[0m                                             value, tb, tb_offset=tb_offset)\n\u001b[1;32m   2103\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\u001b[0m in \u001b[0;36mstructured_traceback\u001b[0;34m(self, etype, value, tb, tb_offset, number_of_lines_of_context)\u001b[0m\n\u001b[1;32m   1365\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1366\u001b[0m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtb\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mtb\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1367\u001b[0;31m         return FormattedTB.structured_traceback(\n\u001b[0m\u001b[1;32m   1368\u001b[0m             self, etype, value, tb, tb_offset, number_of_lines_of_context)\n\u001b[1;32m   1369\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\u001b[0m in \u001b[0;36mstructured_traceback\u001b[0;34m(self, etype, value, tb, tb_offset, number_of_lines_of_context)\u001b[0m\n\u001b[1;32m   1265\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mmode\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mverbose_modes\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1266\u001b[0m             \u001b[0;31m# Verbose modes need a full traceback\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1267\u001b[0;31m             return VerboseTB.structured_traceback(\n\u001b[0m\u001b[1;32m   1268\u001b[0m                 \u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0metype\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mvalue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtb\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtb_offset\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mnumber_of_lines_of_context\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1269\u001b[0m             )\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\u001b[0m in \u001b[0;36mstructured_traceback\u001b[0;34m(self, etype, evalue, etb, tb_offset, number_of_lines_of_context)\u001b[0m\n\u001b[1;32m   1122\u001b[0m         \u001b[0;34m\"\"\"Return a nice text document describing the traceback.\"\"\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1123\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1124\u001b[0;31m         formatted_exception = self.format_exception_as_a_whole(etype, evalue, etb, number_of_lines_of_context,\n\u001b[0m\u001b[1;32m   1125\u001b[0m                                                                tb_offset)\n\u001b[1;32m   1126\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\u001b[0m in \u001b[0;36mformat_exception_as_a_whole\u001b[0;34m(self, etype, evalue, etb, number_of_lines_of_context, tb_offset)\u001b[0m\n\u001b[1;32m   1080\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1081\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1082\u001b[0;31m         \u001b[0mlast_unique\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mrecursion_repeat\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mfind_recursion\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0morig_etype\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mevalue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mrecords\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1083\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1084\u001b[0m         \u001b[0mframes\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mformat_records\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mrecords\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mlast_unique\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mrecursion_repeat\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;32m/usr/local/lib/python3.10/dist-packages/IPython/core/ultratb.py\u001b[0m in \u001b[0;36mfind_recursion\u001b[0;34m(etype, value, records)\u001b[0m\n\u001b[1;32m    380\u001b[0m     \u001b[0;31m# first frame (from in to out) that looks different.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    381\u001b[0m     \u001b[0;32mif\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0mis_recursion_error\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0metype\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mvalue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mrecords\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 382\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0mlen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mrecords\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    383\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    384\u001b[0m     \u001b[0;31m# Select filename, lineno, func_name to track frames with\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;31mTypeError\u001b[0m: object of type 'NoneType' has no len()"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "i = 1\n",
        "\n",
        "while True:\n",
        "  if i%3 == 0:\n",
        "    break\n",
        "  print(i)\n",
        "  i + = 1\n"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 109
        },
        "id": "fc_5AIngDceO",
        "outputId": "4d4542b8-0df2-46a5-a166-a7b1ffde654a"
      },
      "execution_count": 60,
      "outputs": [
        {
          "output_type": "error",
          "ename": "SyntaxError",
          "evalue": "invalid syntax (<ipython-input-60-e18a9083f488>, line 7)",
          "traceback": [
            "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-60-e18a9083f488>\"\u001b[0;36m, line \u001b[0;32m7\u001b[0m\n\u001b[0;31m    i + = 1\u001b[0m\n\u001b[0m        ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"
          ]
        }
      ]
    }
  ]
}