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import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine()),
                spaces = 2 * n - 2, stars = 2;

        for (int row = 0; row < n; row++) {
            System.out.println(" ".repeat(spaces) + "*".repeat(stars));
            spaces -= 2;
            stars += 2;
        }

        spaces = 2;
        stars = 2 * n - 2;

        for (int row = 0; row < 2; row++) {
            System.out.println("*".repeat(stars) + " ".repeat(spaces));
            spaces += 2;
            stars -= 2;
        }

        spaces = 2;
        stars = 2 * n - 2;

        for (int row = 0; row < 2; row++) {
            System.out.println("*".repeat(stars) + " ".repeat(spaces));
            if (spaces > 0 && stars > 0) {
                spaces -= 2;
                stars += 2;
            }
        }

        spaces = 2;
        stars = 2 * n - 2;

        for (int row = 0; row < 2; row++) {
            System.out.println(" ".repeat(spaces) + "*".repeat(stars));
            spaces += 2;
            stars -= 2;
        }

        spaces = 2;
        stars = 2 * n - 2;

        for (int row = 0; row < 2; row++) {
            System.out.println(" ".repeat(spaces) + "*".repeat(stars));
            if (spaces > 0 && stars > 0) {
                spaces -= 2;
                stars += 2;
            }
        }

        spaces = 2;
        stars = 2 * n - 2;

        for (int row = 0; row < n; row++) {
            System.out.println("*".repeat(stars) + " ".repeat(spaces));
            spaces += 2;
            stars -= 2;
        }
    }
}