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

namespace _09PerfectDimond
{
    class Program
    {
        static void Main (string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            string ss = ('%' + new string (' ', n * 2 - 2) + '%');

            Console.WriteLine (new string ('%', 2 * n));
            if(n >2)
            {
                for(var i = 0; i <= n-1;i++)
                {
                    if(i == n/2)
                    {
                        ss = ("%" + new string(' ',(n-2)) + "**" + new string(' ', n-2) + "%");
                        Console.WriteLine(ss);
                    }
                    else if(i != n/2)
                    {
                        ss = ('%' + new string (' ', n * 2 - 2) + '%');
                        Console.WriteLine (ss);
                    }
                }
            }
            else
            {
                Console.WriteLine ("%" + new string(' ',(n-2)) + "**" + new string(' ', n-2) + "%");
            }
            Console.WriteLine (new string ('%', 2 * n));
        }
    }
}