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;
}
}
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