$ $ $ ∆ #####+##### ###.........# $ $ $#oo$........# o$ #.#$....>...# ooooo.o$#.........+ $o.ooo###.........# ####+# ##(######## #.# #.# ..# #### #.# #..# #.. #.# #.. ###.######## #.# ######.####..........# #.# .........##..........# #.# .>.......##..........# #.## ..........#.....)....####..##### .............>...............<... .........#...........#####..##### .......<.##..........# #.# #.#################### .# '# ∆ .. . $ $