03.DrawPlane

using System;

class Plane
{
    static void Main(string[] args)
    {
        // first loop we use n/2+2
        //  second loop we use (n/2)-1
        // third loop we use (n/2)-1
        // fourth loop we use n-1


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

        Console.WriteLine("{0}*{0}",new string('.',(3*n-1)/2));
        for (int i = 0; i < (n/2)+2; i++)
        {
            Console.WriteLine("{0}*{1}*{0}",new string ('.',(3*n-1)/2-1-i),new string ('.',1+i*2));
        }
        for (int i = 0; i < n/2-1; i++)
        {
            Console.WriteLine("{0}*{1}*{0}",new string('.',n-4-2*i),new string('.',n+6+4*i));
        }

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

        for (int i = 0; i < n/2-1; i++)
        {
            Console.WriteLine("*{0}*{1}*{2}*{1}*{0}*", new string('.',n-4-2*i),new string('.',1+2*i),new string('.',n));
        }
        for (int i = 0; i < n-1; i++)
        {
            Console.WriteLine("{0}*{1}*{0}",new string ('.',n-1-i), new string ('.',n+2*i));
        }
        Console.WriteLine("{0}",new string ('*',3*n));
    }
}