. .. ... ##### .!.. ######### ###...#### ..... #...<..... #...#....# ....So#####......... ###......# #.rro...#......... #........# #######.#......... ####.#...# #................ # ###....##### #..####........... ..##### #..##### # ##.......... ....> ∆ #.## ######..#.### #...# # #.# .....#..#.# #...# #.#####.# ..........# #...# #.......# .....##..## ###...# ####.#.######## ##### ##.# ##.....########.#.<....... ##.# #..#......##....#########. #..# ##.##..^##.##.#### ##..####..##...##....# #.........#########..# #..#####.#g# #### #.# #.#.# #.. #.... #..# ###... ...# #### ..#