.. ###. ##...### ......# ## ...... +.###.#.####### ..#......)...s... .. ........#.# .............# ....##.###.#.# ....##.###.#... ∆ ...........#..... .........†)#....... .........<.#.#..... ..#..l.....#.##+##+ ........W..#.# ..#........# #............. #.#....###.#.. ......... .# ...>....... . §.###..##.. . ... ..# .. ##.. ...