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