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