.                               
 #.    #       #                 
  . #  # #    ..                 
  #..## .     #                  
   .#... #  . ##                 
    ..#  .#. ...                .
  ###.#.  . . .##       ### ##...
  #...###### ...##   # ##.....###
  ##..X..#.###..#.#   .##. .   . 
  #...##...##.## #####.#.....#. .
  #..53..#.#...##..#......     #.
 ......#.#......#. ..  ##.#.     
###.....#. ..#.#.....####. .###  
  .X.#.#.##.. #.#### .  .##. #   
 .#...#.....#.### #.#.#.#... #   
.#....#. . ..#.  #.######.  #    
   .# #.#. .. ## #. .##.....     
      #..##...   ...  .##....    
      ..#... # #..  ####....##   
           #   ##.     ## # #    
                 ##      .       
                         .       
                        ∩#       
                        .