##########++ #........... ∆∆∆+ #......#..#. #####.##........... .......h........... ##+#####......#..#. ∆∆ #........... ∆∆ ####'#####++ ∆∆ #.......# ∆∆ #.......# ∆∆ #.......# #...<...# #.......# #.......# #.......# ######### ∆∆∆∆