##### #..(# #..># #...################# s +..................># #..W###############.# #...###############.# +.................#.# #...#############...# F #...# ##..# ##### #..#### #.....# ##.##.# ##### #.##.# #...##### #..#.# #...+...# #..#.# #...###.###....# #...#<....#..### #...#.#.#.#..# r ###...#.#.#..## #####.......# ###'#.....# #.........## #..........# #..........# #.......#..## #.......#...# #.......##..## #.......##<..# #.......###..#### ######### #.....# #.....# #.....# #..>..# #.....# #.....# #.....# ###'### #.##### * #.##.. * #.##.# #)##.#, * #..))#,,* ###### ,,,* **** *** ,∆,,, ** ,** *** *, , , * ∆ * * * * , *