#.. .. ... #> ... ###..∆ #.#### .... .....# #..< #.##.# ####.?##.##.####### .......s.#.........# ############# .####.#.......# #..# #...........# #.#.##..∩.## ..# #.###.#.##..# #..........##.#.# #.# #.#.##..# ###.####...#.# #.##.# #.#..#..# #.####....## ##...# #.##.#..# #........#.###.#### #.##.#..# ∆ ####........#.#### #.......# #.##.#..#.....# ####.#### #...###.#.....# #.# ..## ........# #.# ## .#.#.....# #<# ....#.....# #.......# ############ #.##.##.# # #.# # #.# #.# #.# ∆ ...