import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
// 注意 hasNext 和 hasNextLine 的区别
while (in.hasNextInt()) { // 注意 while 处理多个 case
int a = in.nextInt() * 3;
for (int i = 0; i < a; i++) {
for (int j = 0; j < a - i; j++) {
System.out.print(" ");
}
for (int m = 0; m < i / 3 + 1; m++) {
switch (i % 3) {
case 0:
System.out.print("* ");
break;
case 1:
System.out.print("* * ");
break;
case 2:
System.out.print("* * * ");
break;
default:
System.out.print("wrong!");
break;
}
}
System.out.println("");
}
for (int i = 0; i < a / 3; i++) {
for (int j = 0; j < a; j++) {
System.out.print(" ");
}
System.out.println("* ");
}
}
}
}