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

namespace SunGlasses
{
    class Program
    {
        static void Main(string[] args)
        {
            var n = int.Parse(Console.ReadLine());
            {
                var stars = new string('*', n * 2);
                var spaces = new string(' ', n);
                Console.Write(stars);
                Console.Write(spaces);
                Console.Write(stars);
                Console.WriteLine();
            }
            for (int i = 0; i < n - 2; i++)
            {
                var cherti = new string('/', 2 * n - 2);
                var spaces = new string(' ', n);
                if (i == ((n - 1) / 2) - 1)
                {
                    Console.Write("*");
                    Console.Write(cherti);
                    Console.Write("*");
                    Console.Write(new string('|', n));
                    Console.Write("*");
                    Console.Write(cherti);
                    Console.Write("*");
                    Console.WriteLine();
                }
                else
                {
                    Console.Write("*");
                    Console.Write(cherti);
                    Console.Write("*");
                    Console.Write(spaces);
                    Console.Write("*");
                    Console.Write(cherti);
                    Console.Write("*");
                    Console.WriteLine();
                }
            }
            {
                var stars = new string('*', n * 2);
                var spaces = new string(' ', n);
                Console.Write(stars);
                Console.Write(spaces);
                Console.Write(stars);
                Console.WriteLine();
            }
        }
    }
}