.   .                 
 .    .                
 # . #                 
 # ..#  .   .  #       
 . . ..     .  ##      
 ......  #.#§#  #      
.##..# #...3.  .       
. #..# . . . .#        
... .  .  #..####      
.. .....  ..##..#      
.##..#####. #.         
  # .##.#.##.#         
....#. .#....#         
 #.# ..._..# .#        
  # #####.##           
..      #..####        
#       ###...# #.#    
#        #...#  ..     
        ##...# ..   .  
        #..#. #.# ..#. 
        #.#....## .... 
       ..##.##.. #.#.. 
      #.  ##...##..... 
     ...  #..###...#   
     .#....#.....####  
     ≈.....##3.#....#  
     ≈#..# #.#.§..###  
     #≈..  #.#.#§.#.#  
     ≈≈#   .##..#...#  
     ..   .. #######..#
          #.         .#
          #           #