using System;

public class Program

{

    public static void Main()

    {

        var n=int.Parse(Console.ReadLine());

        for(int i=0;i<n-1;i++) Console.WriteLine("{0}*{1}*{1}*{0}",new string('.',i),new string('.',n-i));

        Console.WriteLine("{0}*****{0}", new string('.',n-1));

        Console.WriteLine("{0}", new string('*',2*n+3));

        Console.WriteLine("{0}*****{0}", new string('.',n-1));

        for(int i=n-2;i>=0;i--) Console.WriteLine("{0}*{1}*{1}*{0}",new string('.',i),new string('.',n-i));

    }

}