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