.#  
            ...#  
 #          ...#  
 #.         ...#  
 #..       #...# .
##...######....#..
#.....<...........
####...........#  
   #.....ac.†..#  
   #...........#  
   #...........#  
   #.............#
  #..........>....
  ##.............#
   ##.........####
    #.........#