..       ..  
   ..     ..   
   #.     .#   
   #..   ..#   
.###..   ..###.
......###......
......._O......
....#.....#....
.   #_.<._#   .
    #.....#    
  ....._.....  
......###......
.###..   ..###.
   #..   ..#   
   #..   ..#   
   ..     ..