import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); while(sc.hasNextInt()) { int n = sc.nextInt(); for(int i=1;i<=n;i++) { for(int j=n;j>=i;j--) { System.out.print(" "); } for(int j=1; j<=i;j++) { System.out.print("* "); } System.out.println(); } for(int i = 1; i <= n + 1; i++) { System.out.print("* "); } System.out.println(); for(int i=1;i<=n;i++) { for(int j=1;j<=i;j++) { System.out.print(" "); } for(int j=n;j>=i;j--) { System.out.print("* "); } System.out.println(); } } } }