using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string provaLotto = "Prova123456789_1011";

        int maxLenght = provaLotto.Length > 23 ? 23 : provaLotto.Length;

        string lotto = provaLotto.Substring(0, maxLenght);

        // Codice Lotto

        Console.WriteLine(lotto);

        List<byte> lottoArray = new List<byte>();

        lottoArray.AddRange(System.Text.Encoding.Default.GetBytes(lotto).ToList());

        for(int i = lottoArray.Count; i < 24; i++)

        {

            lottoArray.Add((byte) 0);           

        }       

        // Lunghezza Array Lotto

        Console.WriteLine(lottoArray.Count);

        Console.WriteLine(ByteArrayToBitString(lottoArray.ToArray()));      

    }

    public static string ByteArrayToBitString(byte[] ba)

    {

        return string.Join( " ", ba.Select( x => Convert.ToString( x, 2 ).PadLeft( 8, '0' ) ) );

    }

}