ExamProblem

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

namespace DrawPlane
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());



            int firstOuterDots = (n * 3) / 2;
            Console.WriteLine("{0}*{0}", new string('.', firstOuterDots));


            int secOuterDots = (n * 3) / 2 - 1;
            int secInnerDots = 1;

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


            int prepreOuterDotss = 3;
            int prepreInnerDotss = (n * 3) - 8;
            for (int i = 0; i < 1; i++)
            {
                Console.WriteLine("{0}*{1}*{0}", new string('.', prepreOuterDotss),
                                                 new string('.', prepreInnerDotss),
                                                 new string('.', prepreOuterDotss));
            }

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

            int thOuterDots = n - 2;
            int thInnerDots = n;

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

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

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

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

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

        }
    }
}