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