∆ .. .. # #. .# #. .# #.####.# ∆ #......# #.<...# #.....# #.....# #.....# #.....# . ###.### ##. ##.## #.. ####...###### #.# ##....#......# #.###.###......... #.##.## ##.##.### #### ######## #.#.## ##.#.# ..# #......####...# #...# #.######.#........##.# ##.#.# ####.##.......##.###.###.# ##.##.##### #.......###.####.# #.# #.###.......... #.##.#### #.# #.# #.# #......###### . #.##.##.# #.. ..# #.# ####...# ####. #.......# #### ### #.# #...#####.... #####.### #.. #..........# #.# ##. ##...#.###..# ####.## ..............# #.....# ..............# # #.##..# ...........>...#.##. # #<.# #####...#.##S....... #...# #..........#.### #.#.# #....###.#.# # #.#.# #.... #†#..# ....# #.... ..# #.# ##.### #### #... ... #. .... l.. #. ...... #. .....# .......