using System;

namespace MyCompiler {
    class Program {
        public static void Main(string[] args) 
        {
            Console.WriteLine("Hello world!");
            method(3,6);
            method(4, 1);
            method(5, 3);
        }
        public static void method(int row, int col)
        {
            int[,] arr = new int[row,col];
            for(int i = 0; i< row;i++)
            {
                for(int j=0; j< col;j++)
                {
                    arr[i,j] = (i+1) + row *(j);
                    Console.WriteLine(arr[i,j]);
                }
            }
        }
    }
}
/*

Examples
PrintGrid(3, 6) ➞ new int[,] {

  new int[] { 1, 4, 7, 10, 13, 16 },
  new int[] { 2, 5, 8, 11, 14, 17 },
  new int[] { 3, 6, 9, 12, 15, 18 }
]

PrintGrid(5, 3) ➞ new int[,] { 
  new int[] { 1, 6, 11 },
  new int[] { 2, 7, 12 },
  new int[] { 3, 8, 13 },
  new int[] { 4, 9, 14 },
  new int[] { 5, 10, 15 }
]

PrintGrid(4, 1) ➞ new int[,] { 
  new int[] { 1 },
  new int[] { 2 },
  new int[] { 3 },
  new int[] { 4 }
]
*/