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