####               
       ##..#  .            
      ##.####  #.#         
      #.## ...#..          
#   ###.# ...#..#   .      
 .  #.. ..##....#  ∩.      
#.. ##.3# #....#.#..       
.... ##.....#.  ....  #    
 ....#. ..#.....##.#  #.   
   #..#...#. .. .# ##..    
   ###..#...#.#. #...#    #
     # .####...#..#.#      
    #..###..#..... .#     .
   ... #.....#. . .#    ## 
  .... .#...##.. .. ##  ...
...#.#. ##..#. ...#..#### #
 # #...  #.#.# ..#.. ....  
 . .#..  # #  # # . ...#  #
           #  #.. ... .# ..
                . .# #.##..
               ## . . # #  
               #.  #.    # 
               #   #.#    .
                   .      #