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