*             
       * *   ,              
          *                 
          *,                
            ∆  ,            
            *          *** *
 ,            *             
         * ,*, ,,           
 , , ,,, ,,,,, ...    ,     
  , ,,,  , ,** ..###        
 *,,,  ****** #.....        
   ,  * ######.....      *  
   ,, **#........# *        
    , ,*#..?.....#          
,   ,,, #.>W.....# *  *     
     *,*#).....<.+∆         
   *  ,*#))[...[.#    ,     
     *, #...>.......,       
     * *#........##.        
   * *,*#.......... *       
  ,   ,*#........#.#        
   , , *###........#        
, , ***   #########*        
  ,,                        
                            
   ,