####.###. .. . ....... ..# .. #.....##..# .##.....#..### ............. #.....##... ####.....#.... ∆ #..........++++++ #..##.l.....+....+ #.......+....+ #.......+..<.+ ........####..+....+ . .....[..# ##.'+'+++.... ........# ##.......... ........# ##...####.. ........# ...#.# #######.. ..####.# ##. #. .# .. .. . ## ∆