... #.# ##.# ..# ... ∆ #.# ### #.# ..# #.## #.# #.{# #.# ##.# #.############## ##.#####.#............. #.....##......########. #...###..#{.<....## .....# ##..........# ..#..# ##....÷....# ....# ##........# ...# ##......## ..# ##....## #...## #..## ...# ...#