##       ##           
     .     ##              
         ..    ###         
      #   .  ..  # .       
      #.#   . ..#  .  .    
      #X.#..#....  ##.     
    #  #.. #.       .##    
   #.#  ..# ### . ... #  . 
       #  #  . . #... ##.. 
       ...#. . .##  . ..   
      ### ... .. ....      
        .#. .#.#..##.##.   
        ..# .# ##4#.#      
      . #  # #.... .##     
      .    #..##.. # #     
        . ..#.#..# ..#   .#
        . ....##.## .# # # 
           # #. . ..## .#  
            ##. . .#...    
             .##. .∩#.#.#  
            # ###.#.#.#    
 ..  ## . # .#..##..# .    
  .# #.#.   #...#.### ##   
   .###.#####.##..#        
   ......#...##...#        
    #.#...#......#.#       
    #.#.#...### .#.#       
     #..#.#.#  ##..#       
      #...#.#    .##       
 #....4###.#.    ##        
 #.##.#   ..##             
   #..   ...#              
  ...     ###              
 ...#   ##                 
.#..                       
 .#