##      ##
   .     ..#
####.    #.#
.....#####.#
..#........#
.<.........#
...........#
........<..#
##.#.......#
   #.....D.#
   #.......#
  .........#
 ....#####.#
.....    #.#
.....    #.#
         #.#
         #.+
         ###