#...... .....# ∆ .....## #.# #.. ..... #.# #.# #...# #.# #.# #...# #.# #.# #...# #.# #.# #.%b# #.###.####...# #...........@## ∆ #<.....÷......... #.#.######........ #.#.# ###.###..# #.#.# .# .# #.#.# .# # #.#.# .. #.#.# #.#.#