.   #...     
  #.  #..#    .
   .. #..##  ..
    (##...##...
     $?......  
      .....    
      #..#     
      #<.#     
..............#
...............
##...##...##...
 ##.. #..##  ..
  #.  #..#    .
  .   #...     
 ..   #...