TwoDimensionArr

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

namespace TwoDimensionArr
{
    class TwoDimenArr
    {
        static void Main()
        {
            int[,] numbers = new int[,]
            {
               {1,2},
               {3,4},

            };
            for (int i = 0; i < numbers.GetLength(0); i++)
            {
                int first = numbers[i, 0];
                int second = numbers[i, 1];

                Console.WriteLine("{0},{1}",first,second);
            }
        }
    }
}