......                    
     .....∆                   
      ...#                    
     ##..##                   
      .oo.#                   
   #  #S..#                   
 ###'##o#.##                  
 #...Zc.o..#     ∆            
 #....#.#..#                  
..... #.#..#                  
##+#  #.#.$#                  
   .  #.#..##                 
   ...#.#...##                
   ..........+                
   .....#....#                
   ...###..#.#                
   ##  #.....#                
       #.....##               
  ######......##              
  ............$#              
  ...#####.##..#              
  .  #####.##..#              
     +......# ...             
     #####.###....#           
         #.# #....#           
     #####.###....#           
     +..........#.#           
     #.###.#....#.#    .      
         #.###....####..      
    ##.###.###....#.....      
   ..................#        
   ###.....###....##.#        
   ..............>...#        
   #.#..#####...#.##.#        
   #....    #...#.#  #        
   #.#.     #......           
   #.#.     #...#.##∆         
            #...#..           
            #...#.#           
                #.#