. . # . .. # .# . . . # #v# ..# 3#.. ....#. .. # #. v..#### . #.. ##..vv.. ... # .... #....§#..#..##.X#.... #...#.........§## #....#.#...#.# .# # ..#.....#. .... .# #. #..#..#...##.### . #.. ....#.... ..#.. #... ###.##.#...# # ##.#.###..###h#. ##.. #...#..... .....##.. # #####...v.#.... ... # ......#§4# .#.# #.. #.. # ##..§# ....#.. .. #..##§# ....# . # . #.. .# ## . . #.#. .. # . .# . .. # #. .#.# # .. # .#.. .# # # .# .. # . # . .#..#. . # . . # . . .