Diamond

import java.util.Scanner;

public class Diamond {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();

        int sideNumber = n;
        int midNumber = 5 * n - 2 * n - 2;

        String side = "";
        String mid = "";

        for (int i = 0; i < n; i++) {
            if (i == 0){
                mid = repeatChar('*', midNumber);
            }
            else{
                mid = repeatChar('.', midNumber);
            }

            side = repeatChar('.', sideNumber);

            System.out.printf("%s*%s*%s\n",
                    side, mid, side);

            sideNumber--;
            midNumber += 2;
        }

        for (int i = 0; i < 2 * n + 2; i++) {
            if (i == 0 || i == 2 * n + 2 - 1){
                mid = repeatChar('*', midNumber);
            }
            else{
                mid = repeatChar('.', midNumber);
            }

            side = repeatChar('.', sideNumber);

            System.out.printf("%s*%s*%s\n",
                    side, mid, side);

            sideNumber++;
            midNumber -= 2;
        }

    }
    static String repeatChar(char ch, int n){
        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < n; i++) {
            sb.append(ch);
        }

        return sb.toString();
    }
}