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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


class Program
{
    static void Main(string[] args)
    {
        int x = Int32.Parse(Console.ReadLine());
        int z = (x / 2) + 1;

        int drawingField = (3 * x) - 2;

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

        int counter = 1;
        int variabla = 0;
        int sides = 0;
        for (int i = 0; i < x/2; i++)
        {
            Console.WriteLine("{0}*{1}*{2}*{1}*{0}", new string('.', (x/2)-1-i), new string('.', 1 + (2*i)),
                                new string('.', drawingField - (2 * (x / 2)) - 2 - 2*(1+i)));
            counter++;
            variabla = drawingField - (2 * (x / 2)) - 2 - 2 * (1 + i);
            sides = 1 + (2 * i);
        }
        //Console.WriteLine(sides);
        int zapomni = 0;
        for (int i = 0; i < x - counter -1; i++)
        {
            Console.WriteLine("{0}*{1}*{0}", new string('.', x+i), new string('.', variabla - 2*(i+1)));
            zapomni = x + i;
        }

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

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

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