.##....#  ..       
 .  ##... #...#        
     # #..# ....       
    ##.. ...# #.       
    #.#  .####         
    ##. .#.#.### #     
     #### #.. .. #     
  #  #.#.#..#. # ..    
  ..   ...#§# #        
  ≈..  #....##.     ## 
   #.. #....#.###  ..  
  ≈ #.W.#.#.#...# .#   
  ≈≈≈.#.#...#...#.#.##.
  ........b.......... .
  #..##..##..##..##..##
    ................   
   #.....#.....#.....# 
   ##...###...###...## 
    ##.#  ##.##  #.##  
     ..    ...    ..   
    ...   ....    ...