			* ---------------------------------
		 *           *                             |
	   *                     *                         | 
       *                            *                      |
     *                                 *                   | 
    *                                    *                 |
   *                                       *               |
  *                                          *             |
 *                                            *            |
 *                                            *            D
 *                                            *            |
  *                  *                       *             |
   *              *    *                    *              |
	*        ----*  d   *                  *               |
	 *       |    *    *                 *                 |
	*        h       *            *                    |
		*    |               *                         |
		*    |       *                             |
			*-----------------------------------

