.         .
           . . #    #  #
       .    ..   # # #. 
        .. ##. ..  ..   
         .  ..#...#..   
         #  # ..#.#.#   
         #. #..##.#.    
        ###.. .....#    
  #   ###..#.#  .## #   
  ..  #..##.#. .###     
  ... #...... .#..      
    .. #.....*#.#  #    
     #..##..#. .#       
    ..#..#.###....#     
     ####..# .#.#..     
     #...#.#.# ##.. .#  
    #... .)..#.   .#..  
.  #######.#.# #  .. .. 
..##....##*..#...   . # 
 #..#....#..#...#  # .  
  #..#....#.#.#.#       
###............#.#      
.....X..X...###..       
#.#.##..#...#           
  .  #######.#          
  ∆         ##