.. ..    #... 
    .##.   #... .
     ...# #... .#
     #... .#. ...
 #.  #...#..#..# 
 ....#.#..#....# 
..#.....#...#    
 #...###.a.#     
 #...D.<..#.#    
....^.#&##.....# 
#.#...2S# ...#.. 
 ...#.#.. #..# ..
##.....#.  .... #
...#. . .. .#.## 
.. ...# .#  ###  
  #. .  ##