..     
 ######.##   
 #.......#   
 #.......#   
.#........   
.........#   
 #.......##  
 #........#  
 #......<##  
 ######.##   
      #.#    
      #.#    
     ##'##   
    ##...##  
   ##.....## 
  ##.......##
  #.........#
  +.........+
  #.........#
  ##.......##
   ##.....## 
    ##...##  
     ##'##   
      #.#    
      #S#    
      #.#    
      $..    
      ...    
     .....  ∆
     ...$(   
    #..(...