using System;

using System.Numerics;

public class Program

{

    public static void Main()

    {

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

        int width = n * 2 + 1;

        int height = (6 + ((n - 3) / 2) * 3);

        int[,] diamondTroll = new int[height, width];

​

        int curCol = 0;

        int curRow = n / 2 + 1;

​

        while (curRow >= 0)

        {

            diamondTroll[curRow, curCol] = 1;

            curCol++;

            curRow--;

        }

​

        curRow++;

        curCol--;

​

        for (int i = 0; i < n - 1; i++)

        {

            diamondTroll[curRow, curCol] = 1;

            curCol++;

        }

​

        while (curCol < width)

        {

            diamondTroll[curRow, curCol] = 1;

            curRow++;

            curCol++;

        }

​

        curRow--;

        curCol--;

​

        while (curRow < height)

        {

            diamondTroll[curRow, curCol] = 1;

            curRow++;

            curCol--;

        }

​

        curRow--;

        curCol++;

​

        while (curCol > 0)

        {

            diamondTroll[curRow, curCol] = 1;

            curCol--;

            curRow--;

        }

​

        curCol++;

​

        for (curCol = 0; curCol < width; curCol++)

        {

            diamondTroll[curRow, curCol] = 1;

        }

​

        curCol = width / 2;

​

        for (curRow = 0; curRow < height; curRow++)

        {

            diamondTroll[curRow, curCol] = 1;

        }

​

        PrintMatrix(diamondTroll);

​

    }

​

​

    static void PrintMatrix(int[,] matrix)

    {

        for (int rows = 0; rows < matrix.GetLength(0) ; rows++)

        {

            for (int cols = 0; cols < matrix.GetLength(1); cols++)

            {

                if (matrix[rows, cols] == 0)

                {

                    Console.Write(".");

                }

                else

                {

                    Console.Write("*");

                }

            }

            Console.WriteLine();

        }

    }

}