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