using System;

public class Program

{

    static void PrintFigure(int n)

{

    /*if (n == 0) 

    return;

    Console.WriteLine(new string('*', n));

    PrintFigure(n - 1);

    Console.WriteLine(new string('#', n));*/

    }

        static void PrintFigure1(int n, int num)

        {

            if (n==0)

            {

              Console.WriteLine(new string('#', num)); 

                return;

            }

            Console.WriteLine(new string(' ', n)+ new string ('#', num-2*n)+ new string (' ', n));

            PrintFigure1(n-1, num);

            Console.WriteLine(new string(' ', n)+ new string ('#', num-2*n)+ new string (' ', n));

        }

​

    public static void Main()

    {

        int n =int.Parse(Console.ReadLine());

        //PrintFigure(n);

        PrintFigure1(n, 2*n+1);

    }

}