using System; public class Test { public static void Main() { int[,] a = new int[5,4] { {1, 1, 1, 0}, {-2, -3, 2, 1}, {2, -5, 0, -1}, {-3, 4, 6, 2}, {-6, 6, 3, 4} }; for(int y=0;y