static bool draw_road (bool[][] race, ref int where)
{
    if (where + 2 > race.Length)
        return false;
    int w = race[0].Length;
    for(int j = where; j < where + 3; j++)
    {
        Console.Write('|');
        for(int i = 0; i < w; i++)
        {
            if (race[i][j])
            {
                Console.Write("XXX");
                Console.Write("XXX");
                Console.Write("XXX");
            }
            else
            {
                Console.Write("   ");
                Console.Write("   ");
                Console.Write("   ");
            }
        }
        Console.Write("|");
        Console.WriteLine();
    }
    return true;
}