public static void Main()
Console.WriteLine("********************");
Console.WriteLine("*******************");
Console.WriteLine("******************");
Console.WriteLine("*****************");
Console.WriteLine("****************");
Console.WriteLine("***************");
Console.WriteLine("**************");
Console.WriteLine("*************");
Console.WriteLine("************");
Console.WriteLine("***********");
Console.WriteLine("**********");
Console.WriteLine("*********");
Console.WriteLine("********");
Console.WriteLine("*******");
Console.WriteLine("******");
Console.WriteLine("*****");
Console.WriteLine("****");
Console.WriteLine("***");