.. .. ##. .# #.. #.# #.# #.# #.# #.# ####.# ##.## ...##.<..####...###.. #..................... #...##...#####...###. ##. ##### ##.## #.# #.# ##'## ##...## ##.....## ##.......## #.........# +.........+ #.........# ###....#..## ##.#####......#...# .......#r#....#...# #..w####.##..# #.......#..... #.##..##.### #. ..$# ∆ #. ...# #. ...# #. #... .. .#.