*     *  *     *  *     *  *     *  *     *  
*   **    *   *   *     *  *   **   *   **   
* **       * *     *   *   * **     * **     
**          *      *   *   **       **       
* **       * *      * *    * **     * **     
*   **    *   *     * *    *   **   *   **   
*     *  *     *     *     *     *  *     *