#. ..# # # #.# . .# .. # # ...##. .# ## #. .# .##...# .#. #... ..##. #.#####...#....# .# ##..#...#. . .## . ###....## #. #. #.. # . # #...5.###.. . # .... t ####x# ...#.#.#. #.. ## #.ppc#. .5#.#.. # #... # # #.##.#.#....#### ..##..#### ###..###.. x#.###.#.... ..# ### #.#...######..#.§ # #.#.##..#..5 #.#§ # ##..# #. ..#... # ### . ... ##... # ...##.# . ## #..# .# . . ## ...x # #.. #.. #. #∩# # #.. .# # . ## .. .