Kanzas City Shuflya

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

namespace ConsoleApp54
{
    class Program
    {
        static void Main(string[] args)
        {
            int[,] ar =
            {
                {1,2,3,4,5},
                {6,7,8,9,10},
                {11,12,13,14,15},
                {16,17,18,19,20},
                {21,22,23,24,25}
            };
            KanzasCityShuflya(ar);

            for( int i=0;i<5;i++)
            {
                for(int j=0;j<5;j++)
                {
                    Console.Write(ar[i, j]);
                    if(ar[i, j]<10)
                    {
                        Console.Write(' ');
                    }
                    Console.Write('|');
                }
                Console.WriteLine();
            }
        }
        static void KanzasCityShuflya(int[,]ar)
        {
            int chang = 0;
            int rememb = 0;
            Random rnd1 = new Random();

            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    chang = rnd1.Next(5);
                    rememb = ar[i,j];
                    ar[i, j] = ar[i, chang];
                    ar[i, chang] = rememb;
                }

            }
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    chang = rnd1.Next(5);
                    rememb = ar[j, i];
                    ar[j, i] = ar[chang, i];
                    ar[chang, i] = rememb;
                }

            }

        }
    }
}