...         
    .........      
     .........     
     ..........    
      o.....O...   
      #o......#    
      #xoo....#    
....###.).....###. 
...oO..).###.......
.#......))oo.......
 .o....#..)..#.....
 ......#_zx._#   . 
 ..... #.....#     
  ......C._.....   
   .o....###...... 
   .###...  ..###. 
      #...  ..#    
      #..   ..#    
      ..     ..