public class Optimized {
    public static void main(String[] args) {
        System.out.println("* * * * * * * * *");
        System.out.println("*   * * * * *   *");
        System.out.println("* *   * * *   * *");
        System.out.println("* * *   *   * * *");
        System.out.println("* * * *   * * * *");
        System.out.println("* * *   *   * * *");
        System.out.println("* *   * * *   * *");
        System.out.println("*   * * * * *   *");
        System.out.println("* * * * * * * * *");
    }
}