New line counter

using System;

namespace Counter
{
    class Program
    {
        const byte RowLimit = 100,
                   CounterLimit = 9,
                   CounterMilisecondDelay = 100;


        static void Main(string[] args)
        {
            Console.CursorVisible = false;
            for(var currentRowNumber = 0; currentRowNumber < RowLimit; currentRowNumber++)
            {
                for(var currentNumber = 1; currentNumber <= CounterLimit; currentNumber++)
                {
                    Console.SetCursorPosition(0, currentRowNumber);
                    Console.Write(currentNumber);
                    System.Threading.Thread.Sleep(CounterMilisecondDelay);
                }
                Console.Clear();
            }
        }
    }
}