##### #####...# ..##...# # ###.##...# #. #.#........# #.### ..#.#.#......###### ....y. ................... #.#..$ #...#.#.[.......... #....5# #..#.#y#....##### ##..... #...y)y..#########. .......#######.##oyy...[(....... #.......)...##.####.#.########## #.......###.........#... #.............)..####.#... ####..###........#∆ ........ ...........#.(.# ... .... #...#######.#...# .......!.∆ #... #)#.#)# ..... ...∆ #### #.#.#... #.#......# ..#......# ###......# #......# ## #+###∆