. .               ##
     .... .             # . 
     .#.. ....    .   ##..# 
    ~#... .#.    .#   ..#.  
     ~~~~ ..     .    #3.   
      #~~..    #.######.#   
       #~~#   ..# #...#.#   
. ### ##7~####.#   ##..#.#  
 #...~~~ ~.... # ###...#.## 
#...# 7~~....#.###........# 
   ...~ ~~...##...##......# 
  .....~~ ~.....#........## 
 .. ##..#~ ....# #.....##..#
     #.## ~..#.......#..... 
     ..  ~.~~#.#.##.###.#.# 
    ....#~~~~~ ####.#  ##   
       ##~~~~~..  #..       
          ##.##    ...