using System;

public class Program

{

    public static void Main()

    {

        var arr = new int[4, 7]

        {

            {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, 26, 27, 28}

        };

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

        {

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

            {

                Console.Write(arr[i,j]);

            }

            Console.WriteLine();

        }

​

    }

}