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