#.                            
  # .   ..###.#                     
  ≈. . . .#.#                       
      .... ..##                     
  ≈≈ ≈≈  .#.#.##                    
 # ≈≈≈≈≈♣.#. ..#                    
 .  .  ≈≈#.#..##                    
 ......≈≈  .##..#                   
  #..##. .. .####                   
  #. # ..# .# .#        ...#   #.   
  .   .... ...#         ..#.#  .#  .
. . . ....#.#####  .     .... ..##. 
 # .  #..#.###  # .    ###..# ....# 
  # ∩ #... ##....#    ..##..##..#.# 
    . . .  ....   # ##. #.#......#  
X   ......#XX..###. ..## #..#..#    
.     # XX #X##   .#...####...##    
   ..  . # ##..####...  #.#.#..#.#  
  .. .....##.#  ..#.#####........#  
 .. .. ... #.#..#..XX..X.###...##...
     ##..# ..# .X. ###X#.#  .##..#..
      #  #.........# ##..#  #. ..# .
      .. .....##..##  ####   ## ... 
         ..##.#....             ... 
       ####   ..#..#                
            ##.....#                
          ## .#.##.                 
              .   .#