### #.. . #.. # #.#.....# # .. .... . .#.# #.# # ..#. ## # .##.### . # .# #.## ######## . .# ..# # #.###..#...## . #. ..# #.#.#. #.....# #.#. . # #..#.#.....#..# .#. .. ..#...#...# ..# ....##... .x. #..# ##.....# .....# .. §.§#..# ..#.#######...#.# # # ...#...####.....x......# #....####....###########.# #.####....#### .. #.## # ∆