#.     ..   
       #.#    4#   
       ...#  ..    
        ... #.     
        #.  .#     
        #.##.##    
        #.....#    
        #..x.#     
 .      #.#.##   . 
  .##   ##.## # ...
   .. #...#.#.#...#
    #..# ##.....   
     ....#.#.#.. ..
.#  # ...#. .# ...#
..####.......#   #.
#. #..# ..# ##     
  . ...#.###.#     
# ##......# #.#