#ExamDiamondTrolls

using System;

class DiamondTrolls
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());

        //1
        Console.WriteLine("{0}{1}{0}", new string('.', ((n / 2) + 1)), new string('*', n));

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

        //3
        Console.WriteLine("{0}", new string('*', ((n * 2) + 1)));

        //4
        for (int i = 1; i < n; i++)
        {
            Console.WriteLine("{0}*{1}*{1}*{0}", new string('.', i), new string('.', (n - i - 1)));
        }

        //5
        Console.WriteLine("{0}*{0}", new string('.', n));
    }
}