SimpleMatrix

using System;

class SimpleMatrix
{
    static void Main()
    {
        int size = int.Parse(Console.ReadLine());
        int[,] matrix = new int[size, size];
        for (int row = 0; row < matrix.GetLength(0); row++)
        {
            int start = row + 1;
            for (int col = 0; col < matrix.GetLength(1); col++)
            {
                matrix[row, col] = start;
                start++;
            }
        }
        for (int i = 0; i < matrix.GetLength(0); i++)
        {
            for (int j = 0; j < matrix.GetLength(1); j++)
            {
                Console.Write("{0,4}", matrix[i, j]);
            }
            Console.WriteLine();
        }
    }
}