..     
         # .#.#.    
   .    #.  .. .. ..
   .. .. # .# . . # 
  #  # #. .# ###    
  #. #.....###  ##  
  . .#####.###      
   #.#. #. ..#      
    ∩..##. ##.#     
     #  # .#  ..    
     #  # #.  .##   
   ###.#. #  ###    
    ..#.### #..     
   ##.2 .# ..#..    
  ##.#.###.  ..#.   
  #....#......#[ #  
  #.  #.##          
   #  #1.#          
    ###..#          
    #...##          
   #..#3#           
  . ..#1##          
...#. ##.#          
.# ##  #.#          
       #.#          
       ..#          
       .##          
      #.            
      .#            
      .