###+#+######     
                  #....†.....#     
              ### #..........#     
              #<# #..........#   .#
              #.###..........##+#. 
              #.......#'######...  
              #########.######..   
                ...............    
             ##########.#####.#    
             #..............#.#    
             #......###.......#    
             #......#########.#    
             #......'.........#    
  #.         #......###########    
  #.#        #......#              
  #.#  ##### #.....)#              
  #.#  #.!.# #......#              
  #.#  #...# #......#              
  #.#  #...# #......#              
  #.####...#+#......#              
  #.).........#.....#              
  #...........#.#'###              
  #...........#.#.#                
  #...........#.#.#                
  #.########'##.#.#                
  #.#      #.##.#.#######          
  #.#      #.##.#........          
  #.#      #.##.#..######          
  #.#      #[##.#..#               
  #.#      #.##.#..#               
  #.#      #.##.#..#               
###.#      #.##.#..#               
#..##      ##...#..#               
#.##        #####..#               
#..#        #......#               
####        ######.#               
                 #.#               
                 #.#               
            ######.######          
            #.............         
            #.############         
     #      #S#                    
      ≈r    #.#                    
     #≈#≈####.#                    
     .≈≈≈≈S...#                    
     ...≈.....#                    
     .S.......#                    
     ..$......#                    
     ##########