...    ..      
    #..   ..#      
.   #..  ...#      
..###..  ...###....
 ......###.........
   ....._..........
     #.....#.......
     #_.<._#......o
   ..#.....#......#
  ....O.O..........
 ......###.........
..###.......###....
.   #......o#   ...
    #......o#      
    .......o.      
    ..........     
    ..........     
    .........#     
    ......o.#o