#. #.#.. . #. #.#.# ..###.##.#.### .............# ∆ .............# #...........# #...........# #....†.5....# ≈# ####.##w#o####≈≈P#w # #.#.....≈≈Pww ##.##.w..###≈≈P#w .........)..≈≈≈# ...#....####≈≈≈ ...#..<......# .. #.######### ... #.. ... ###