.       .    
    ..     ..    
    #.     .#    
    #..   ..#    
 .###..   ..###. 
 ......###...... 
........_O.......
     #O....#     
     #_O<)_#     
     #..O..#     
   ....._.....   
 .....o###...... 
 .###.o   ..###. 
    #..   ..#    
    #.o   .o#    
    ..     ..