using System;

using System.Collections.Generic;

public class E169

{

    static readonly int[,] MATRIX = new int[,] {

        {1, 2, 3},

        {4, 5, 6},

        {7, 8, 9},

        {10, 11, 12}

    };

    //static readonly int[,] MATRIX = new int[,] {

    //  {1, 2, 3, 4, 5, 6, 7, 8, 9, 0},

    //{0, 9, 8, 7, 6, 5, 4, 3, 2, 1},

    //{1, 3, 5, 7, 9, 2, 4, 6, 8, 0},

    //{0, 8, 6, 4, 2, 9, 7, 5, 3, 1},

    //{0, 1, 2, 3, 4, 5, 4, 3, 2, 1},

    //{9, 8, 7, 6, 5, 6, 7, 8, 9, 0},

    //{1, 1, 1, 1, 1, 1, 1, 1, 1, 1},

    //{2, 2, 2, 2, 2, 2, 2, 2, 2, 2},

    //{9, 8, 7, 6, 7, 8, 9, 8, 7, 6},

    //{0, 0, 0, 0, 0, 0, 0, 0, 0, 0}

    //};

    public static void Main(string[] args)

    {

        print(MATRIX);

        Console.WriteLine();

        int[,] rot90 = rotate(MATRIX);

        print(rot90);

        Console.WriteLine();

        int[,] rot180 = rotate(rot90);

        print(rot180);

        Console.WriteLine();

        int[,] rot270 = rotate(rot180);

        print(rot270);

        Console.WriteLine();

    }

    public static void print(int[,] matrix)

    {

        for(int i = 0; i < matrix.GetLength(0); ++i)

        {

            for(int j = 0; j < matrix.GetLength(1); ++j)

            {

                Console.Write("{0,3}", matrix[i, j]);

            }

            Console.WriteLine();

        }

    }

    public static int[,] rotate(int[,] matrix)

    {

        return flipHorizontal(transpose(matrix));

    }

    public static int[,] transpose(int[,] matrix)

    {

        int R = matrix.GetLength(0);

        int C = matrix.GetLength(1);

        int[,] trans = new int[C, R];

        for(int i = 0; i < R; ++i)

        {

            for(int j = 0; j < C; ++j)

            {

                trans[j, i] = matrix[i, j];

            }

        }

        return trans;

    }

    public static int[,] flipHorizontal(int[,] matrix)

    {

        int R = matrix.GetLength(0);

        int C = matrix.GetLength(1);

        int R2 = (R >> 1);

        int[,] flipped = new int[R, C];

        for(int i = 0; i < R2; ++i)

        {

            Array.Copy(matrix, i * C, flipped, (R - i - 1) * C, C);

            Array.Copy(matrix, (R - i - 1) * C, flipped, i * C, C);

        }

        if ((R & 1) == 1)

            Array.Copy(matrix, R2 * C, flipped, R2 * C, C);

        return flipped;

    }

}