.#    .#!.    
              ##.    .#.   . 
             . ...   ..#  .. 
             #. ..###..# ≈.. 
             ##.#..#... .≈...
             #....#...#..# ..
       . .   ##........#  ...
        ..####...#...#   ≈.. 
        #...# .. ###v## .≈   
 ..     ....... .#....#.#    
 ..      #... #  ###...#     
 . .   ###.#......##v#.#     
   ..  #.. . ...###.###..    
   ..# #.. .....###..# .#..  
    #. ###..#..... ##.### . ?
    # ...#.##..#..#..##    ..
     #. .#.#......###...    .
. . . # .. #... ..#   #.     
  ..# #.#. #......#     #    
# #   . #.#....#.#..         
    .##  # #.##.. #..        
  #        ..  ..###         
  #        #