# . # ##.. #. . ..# .s# ### .. .. # # .# #. .. #...###.. #. .. ### #....#..## . ... #.. . #..##.#..####.##.. ...# #.##..... ... #. .#.#. ....... . # ##. # #s....#.. . .. ..##. ##. .##. #. #...## ##.#.## .##.# ...#....##...###§ # .# #...#.# .... ... §.# #................ .. # ####....#._...# .. ..# #.#∩ .#.### ... ##.. # . . .... ...###.##.# .... . ##..#.. ##...#.. . .# . #..#. ###.....#.. # # # #.#..#......... # #. #.##..##.... ..# # . ##....##... .. . .. #...#...## ..## # . . #.#s..#### . # . . .#.#......# . ... #.....##.... . ## #....#..... . . #.###.#....# . . ♣. #. ...# . . ≈ ..#### . .. # .≈ ##. #