Figure.SunGlasess

using System;
    class SunGlasses
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());

            int width = n * 2;
            // first line
            Console.Write(new string ('*',width));
            Console.Write(new string (' ',n));
            Console.WriteLine(new string('*', width));
            // end first line

            // MIddle Line
            for (int i = 0; i < n-2; i++)
            {
                Console.Write(new string ('*',n/n));
                Console.Write(new string ('/',width-2));
                Console.Write(new string('*',n/n));
                if (i == n/2-1)
                {
                    Console.Write(new string ('|',n));
                    Console.Write(new string('*', n / n));
                    Console.Write(new string('/', width - 2));
                    Console.WriteLine(new string('*', n / n));
                }
                else
                {
                    Console.Write(new string(' ', n));
                    Console.Write(new string('*', n / n));
                    Console.Write(new string('/', width - 2));
                    Console.WriteLine(new string('*', n / n));
                }

            }
            // End MIddle


            // last line
            Console.Write(new string('*', width));
            Console.Write(new string(' ', n));
            Console.WriteLine(new string('*', width));
            // end last line
        }
    }