## ##.# # #.∩.#### ∆). #..)...# .# ###.#u######..# ∆∆ ##.#......###. ∆∆..####......... #....∩∩..###. ##.#....## ∆∆∆ ∆∆ .. #...## ## #.#... ...#.##. ([.##.# #∆∆ .u## ... .. .!∆