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