using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        for (int i = 1; i < 10; i++)

        {

            Console.WriteLine($"n = {i}");

            Console.WriteLine(f(i) + '\n');

        }

    }

    public static Func<int,string> f=

n=>string.Join('\n',new int[3].Select((_,i)=>new string('#',n)+(n%2==i%2?"#"+new string('x',n).Replace("x"," -"):"")))

;

}