##### ## ##...###... ##............ #............. ##............. #.....b..#.... ####............. #............# #........a..## #...........# ###.....[...§## #..........h..# #..........5.... #...........#.### #...........#.# #...........#.. ###............. #...####..#.. ##.### ..... ##..# .###. #...# #.#.# ∆ #.#.# #<#.# #.#.# #.#.# ....# ....# #.... #.... #.....