###.###### #........# #........# #........# #........# #........# #........# #........# #######........# .......>#'###### #######.#.# ..#.. ..(#### ....# ####.# #+# ##.#... ....?. #..... ∆ #.(#.# ##....# #...s.# #..w.r####### ∆#>....... $.............. ......########. ...... !.... ..... #### ∆