Multy.Arrays-FillAndPrintMatrix(a)

using System;

class FillAndPrintMatrix
{
    static void Main()
    {
        int size = int.Parse(Console.ReadLine());
        int[,] matrix = new int[size, size];
        int start = 0;
        int counter = 1;

        FillArray(matrix, size, start, counter);
    }
    private static void FillArray(int[,]matrix,int size,int start,int counter)
    {
        if (start == size)
        {
            print(matrix);
            return;
        }
        for (int row = 0; row < size; row++)
        {
            matrix[row, start] = counter;
            counter++;
        }
        FillArray(matrix, size, start + 1, counter);
    }
    static void print(int[,] matrix)
    {
        for (int row = 0; row < matrix.GetLength(0); row++)
        {
            for (int col = 0; col < matrix.GetLength(1); col++)
            {
                Console.Write("{0,4}",matrix[row, col]);
            }
            Console.WriteLine();
        }
    }
}