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