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