Variant5 House

import java.util.Scanner;


public class House {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        String dots = new String(new char[n / 2]).replace("\0", ".");
        String star = "*";
        System.out.println(dots + star + dots);

        for (int i = 0; i < (n / 2) - 1; i++) {
            dots = new String(new char[((n / 2) - 1) - i]).replace("\0", ".");
            String midleDots = new String(new char[n - 2 - 2 * ((n / 2) - 1 - i)]).replace("\0", ".");
            System.out.println(dots + star + midleDots + star + dots);
        }
        System.out.println(new String(new char[n]).replace("\0", "*"));
        int wall = n / 4;
        for (int i = 0; i < (n / 2) - 1; i++) {
            dots = new String(new char[wall]).replace("\0", ".");
            String midleDots = new String(new char[n - 2 * wall - 2]).replace("\0", ".");
            System.out.println(dots + star + midleDots + star + dots);
        }
        star = new String(new char[n - 2 * wall]).replace("\0", "*");
        System.out.println(dots + star + dots);

    }


}