.    ..    #                
 . .     .  #               
   #.. .. .. . .            
.  . .   . #  ...   .#      
  .#..  .. #. ..            
 #  . .. # .....  #..       
  .. #.# #. ..##            
     #  . ..# ..#..#        
 .  #.#... .  #.  ###       
# ##.#  . ....  .#..####    
    . ##.#.## .##.##...     
       # #.##.#..##...# .#  
   .     ##  #........###..#
  .        ###.#.#...#..#...
 .       .   #....##... . ..
 .       .. ##.#.#...###.##.
           .#.#...#....###  
            ..##..##.∩.#    
            .#.##......#    
..         #.##.#...##.#    
 #         #......#.# .h#   
           ##...#.### ##..  
           #....###     #.# 
         #..#..#         .# 
         .# # .           ≈ 
            # #            ≈