using System;

public class Program

{

    public static void Main()

    {

        int spaces = 5;

        string line_1 = "";

        for (int i = 1; i < 6; i++)

        {

            for (int j = 1; j < spaces; j++)

            {

                line_1 = line_1 + " ";

            }

            spaces = spaces - 1;

            for (int k = 1; k < 6; k++)

            {

                if (i % 2 == 0)

                {

                    line_1 = line_1 + "#";

                }

                else

                {

                    if (k % 2 == 0)

                    {

                        line_1 = line_1 + "#";

                    }

                    else

                    {

                        line_1 = line_1 + " ";

                    }

                }

            }

            line_1 = line_1 + "\n";

        }

        Console.WriteLine(line_1);

    }

}