$ ...... ..... ## .... .## ......... /## ..#...#.#.#. .... ... .......∆ ..... #Y# .#.#.#. $ ......#.##....... ......rhS#.#.#.#. .....(.o.#....... $ $ .........$## .......(.$<# ........##...# .!.....#####..# ......# #... .....# ##... .... ##........ .. ##.....#. . #.......# . .. .. ##.......#∆ z #.#. .## $ #........##+. .'##..# #. #.......#...# #...#.####.. ##...$.....#.# #..).......# #..........#.# #.........# #......(...#.# $∆#.........# ##........#$..#####...#....# #.....>....##+((...'##....# #.<..V.....#$#..(..#:#....# #########..###..(..###....## .#...#...#$..#....# #...#...[.((....#$.# ##.######..(...###.# ∆ .. ##.).(## #.## .. ##.<## #.{# $ .. ∆ #### #..# . #..# ##.# #.. $ .### $ $ # $