Car

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

namespace Car
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            string dotUpper = new string('.', n);
            string asteriskUpper = new string('*', n);
            Console.WriteLine(dotUpper + asteriskUpper + dotUpper);
            string asterisk = "*";
            for(int i = 0; i < (n - 2) / 2; i++)
            {
                string dotWindshield = new string('.', n - 1 - i);
                string dotWindMiddle = new string('.', n + i * 2);
                Console.WriteLine(dotWindshield + asterisk + dotWindMiddle + asterisk + dotWindshield);
            }
            string asteriskHood = new string('*', n / 2 + 1);
            string dotHood = new string('.', n*2 - 2);
            Console.WriteLine(asteriskHood + dotHood + asteriskHood);
            for(int i = 0; i < (n - 1) / 2 - 1; i++)
            {
                string dotBody = new string('.', 3 * n - 2);
                Console.WriteLine(asterisk + dotBody + asterisk);
            }
            Console.WriteLine(new string('*', 3 * n));
            string dotOutsideTire = new string('.', n / 2);
            string dotBetweenTires = new string('.', n - 2);
            for(int i = 0; i < (n - 2) / 2 - 1; i++)
            {
                string dotInsideTire = new string('.', n / 2 - 1);
                Console.WriteLine(dotOutsideTire + asterisk + dotInsideTire + asterisk + dotBetweenTires + asterisk + dotInsideTire + asterisk + dotOutsideTire);
            }
            Console.WriteLine(dotOutsideTire + asteriskHood + dotBetweenTires + asteriskHood + dotOutsideTire);
        }
    }
}