. .# .. #.# .## ###.# ...##.#.##### ##.#......... #...†.....# #...<#...# #.......# #######.# #.# #+## ##'## #...## ##...## ##.....## ##.....## # ##.......# ##.......##.# ...####†........ ###.........#.##..h ......'....(.... ...'.........'....gh ...####.<....... ####.......h.# ##.......# ##.......## ∆ ##.[...## ##.....## #...## ##...## #+## ##'## #.# #$# #####.## ..##...## #.#.....#### ..# #.##..)..... #....###.#.#.###### #...w....## #.#######.#### #.......†.# ###########