. . ## ### ...      
   #.##.##.##.#.      
#### ...##...   #     
#.... ..#..####.      
.# .###.......#.   .  
 #. ..... .###.#  .#. 
 #..#. #..#..#.###..# 
# #.#.# . ..##.#...#  
.##.#.###.##..#..#   #
# .#### #.#.....###...
  .   #..#.##X#.......
 .#∆  ########...#..  
 #     ........#.#    
       ....#.... #    
       #. ..##...     
         ... #....    
       ..#∩  ..#..#   
       [ #   #...##   
             ..#.#