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