import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (scanner.hasNextInt()) {
int n = scanner.nextInt();
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (i == j || i + j == n - 1) {
System.out.print("*");
}else {
System.out.print(" ");
}
}
System.out.print("\n");
}
}
}
}