#      ##          
 .      ..         
 .##     #§###     
. ... #####..#     
. ...# #.#.X##     
... .##.##...#     
#.#  .#..##..#     
 . ##..#...###     
. #....##.. #      
.. #.   #..# .#    
. .  #.#.#. ...#  ∆
....#.  .#.. . #   
  ....#...##..#X§  
 .#.#. ..##  ...§. 
.. #.....     ##.§ 
 .# . . .#.        
. .#.#   #.        
   . .#. . .#      
 .  ..