... #   .  #.#   
   . . . . .#.. ..#.  
  # ##.   .  ..... .  
    .  ....  .... .   
    ....  # ...#.#    
  #.## .  .  .... #   
    .... #. #   .#    
      #...##.#.#.##   
       ..#. ......#   
       # .### ... #...
       ####...#....#..
.     #.  #. .......  
..     ....##....#...#
 #.###### #.....#.####
 #......∩... .... #   
  #............#...## 
   #.#.. .#.#)#..#....
  #.#...........#..##.
   #..... ######..#.. 
  #..#.#.###.# #.. ## 
 #. #...#..#.##.# .   
  #..#####......##..# 
   .   #...##.#...#.  
  #    ##....>#       
       #.##3#..#      
       ###.###.#      
        #.#   ..#     
       #2.     ..#    
       #.      ###    
       #.             
       .              
      ≈≈