Snake Moves

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

namespace solutions
{
    class Program
    {
        public static void Main()
        {
            var matrixSize = Console.ReadLine().Split().Select(int.Parse).ToArray();
            var snake = Console.ReadLine();

            var rows = matrixSize[0];
            var cols = matrixSize[1];
            var matrix = new char[rows, cols];
            var counter = 0;

            for (int row = 0; row < rows; row++)
            {
                for (int col = 0; col < cols; col++)
                {
                    if (counter == snake.Length)
                    {
                        counter = 0;
                    }

                    matrix[row, col] = snake[counter];
                    counter++;
                }
            }
            for (int row = 0; row < rows; row++)
            {
                for (int col = 0; col < cols; col++)
                {
                    Console.Write(matrix[row, col]);
                }
                Console.WriteLine();
            }
        }
    }
}