.                       
      #                       
#   ###     . #               
     ..   . . #.              
  #   .# 3.    #              
  # .# #.. .# .#              
  #.  .).# #. #               
  #   ..## ..   #.            
   .. ... ... ##              
  .....##.. ##. #.vv  .v..    
...... #.....#..#...##...     
 #.#. . .... ..#.#...##.      
.#..#.   ........ .#.v.#      
  .#. .  ...#.#..##....   #   
  .. .#  #.#.#.#..v.#.#  .#  .
  # . #. #. ...#...v.v##.#....
  .##.# ##...#..#.#.......#   
     . #......#.. #.h##.##.#  
     ..#... .. ..##..##...    
   #  ##.  #....#..#..#..#..  
     #  .. #. .#.#....#... .# 
      #..#...... ######.### # 
      # .. ....... ..# ##     
     #. .#... .#. #.##        
   #..... ####..#.# #         
    .#####..  .####           
   .     . ..#..              
        #  . ..##             
        ..#....#              
        h# ∩.