.#.       
           ..4#       
           .#..       
       ...##..####    
       ..........  #. 
     .  ...#..#.  ... 
      .##......##!.#  
       ....h#...#.#   
     ####.?.#.....#   
    ##......h#...##   
    ....#.#..#...#    
  .###.....#.....#    
   ...##....##..##    
  #....#.#....#.#     
 ..###.....###..##    
  #. .....# ..#..##   
....####..#.#.....#   
.........# .# #..#.   
#. ........# #..######
 ##...#.#.....#.##... 
  #. #.. # # ..#. ∩ .#
 X. ..#..... ...##.#.#
     #...#..#.##..#.##
    ..#. # #...##.##  
       .   #  . .###  
      ..      ## .....
               ##  .  
                ##...#
                   .# 
               #