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