.                  
             .                    
       ..   .                     
       #  #                       
    .#    ..   ##                 
     .  .∩  .                     
        . ...( .                  
    #.   .. .# ###                
      ... .#  ...##               
   . .   ..#..... #               
         ##. .  ###.  #           
     .  . ##.. .### # ###         
     .   .  # .   ##.   #        .
  .      . . . ..   #...###    #. 
   .  # #.  .. .# .#.# #..    #.. 
 . .    .. .. ....#.  .#..# ##.   
        .  ..##. # .##. ...#..#   
    .   . ###...#.# #. # #.#.##   
.       . #..#.. .  #.#.#.... #   
          ##.#.   ## ## # .###    
           ...#.###...#. #..#     
          . ##.#......#  . ##     
             #x.#.#.. #. #.#      
          #..:.#.#.#..#.# #       
        .......#.##.# .##         
        ....#.§..### #            
        ... #...#.   #.#          
        ##  ..## #   ###          
           ###