using System;

public class Program

{

    public static void Main()

    {

        const int m = 6;

        const int n = 9;

        int[,] matrix = new int[m,n] { 

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

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

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

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

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

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

        };

        int[,] result = new int[m,n];

        for(int i = 0; i < m; i ++) {

            for(int j = 0; j < n; j++) {

                var newIndex = n-1-j;

                result[i, newIndex] = matrix[i, j];

            }

        }

        ShowMatrix(matrix, m, n);

        Console.WriteLine();

        ShowMatrix(result, m, n);

    }

    private static void ShowMatrix(int[,] matrix, int m, int n) {

        // showing the result

        for(int i = 0; i < m; i ++) {

            for(int j = 0; j < n; j++) {

                Console.Write(matrix[i,j] + " ");

            }

            Console.WriteLine("");

        }

    }

}