...        
     ......#.#     
    ...........    
   .............   
  #..............  
  ..o...o........  
    .............  
      #.o.....#    
 ..   #.......#    
....###...o...###. 
.........###.......
.#.o......_........
 ...o..#.....#.....
 ..Oo..#_.<._# . . 
 ......#.....#     
  ........_......  
   ......###...... 
  ..###...  ..###. 
      #...  ..#    
      #...   .#    
      .....  ..    
       ...