Szyfr macierzowy

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Szyfr_macierzowy
{
    class Program
    {
        static void Main(string[] args)
        {
            char[,] array1 = { {'l','u','k','a','s'}, {'z','b','u','d','r'},{'e','w','i','c','z'}
            ,{'a','b','c','d','e'},{'f','g','h','i','j'} };
            char[,] array2 = new char[5, 5];
            System.Array.Clear(array2, 0, array2.Length);
            Console.WriteLine("Tablica jawna wyglada tak:");
            for (int i = 0; i <= 4; i++)
            {
                for (int j = 0; j <= 4; j++)
                    Console.WriteLine("array1[{0},{1}]={2}", i, j, array1[i, j]);
            }
            for (int i = 0; i <= 4; i++)
            {
                for (int j = 0; j <= 4; j++)
                    array2[i, j] = array1[j, i];
            }
            Console.WriteLine("Tablica zaszyfrowana wyglada tak:");
            for (int i = 0; i <= 4; i++)
            {
                for (int j = 0; j <= 4; j++)
                    Console.WriteLine("array2[{0},{1}]={2}", i, j, array2[i, j]);
            }
            Console.ReadKey();
        }
    }
}