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