import java.util.Scanner;
public class Main {

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        int n = Integer.parseInt(input.nextLine());
            n--;
        for (int i = 0; i <= n; i++) {
            System.out.println(repeatStr(" ", (n - i)) + "*" + repeatStr(" *",i));
        }
        for (int i = 0; i <= n - 1; i++ ) {
            System.out.println(repeatStr(" ", i + 1) + "*" + repeatStr(" *", (n - i) - 1));
        }
    }
   public static String repeatStr(String repeatText, int counter) {
        String text = "";
       for (int i = 0; i < counter ; i++) {
           text += repeatText;
       }
       return text;
   }
}