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