static void Main(string[] args)
        {
            while (true)
            {
                for (int i = 0; i < 20; i++)
                {
                    WriteTextInPosition("a moving line", i);
                }
                Thread.Sleep(250);

            }
        }

        public static void WriteTextInPosition(string text, int bot)
        {
                Console.Clear();
                for (int i = 1; i <= bot; i++)
                {
                    Console.WriteLine();
                }
                Console.WriteLine(String.Format("{0," + ((Console.WindowWidth / 2) + (text.Length / 2)) + "}", text));
        }