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