...    ..
         # #.#.#   #.#
         #......  ... 
         #.#.#.# #.#  
         +.........   
         #.#.#.#.#.#.#
     #..##....†g....$.
     #..##.#.#.#.#.#. 
     #..##.........>..
     #..##.#.#.#.#.#.#
     #..###'####?#    
   # #.........# #    
####.#..###.##.#      
.......<###'##.#      
.........>...#.#      
####.........#.#      
   #._.......#.#      
   #.........#.#      
   ###.........#      
     #.......###      
     #.......#        
     ........#