. . #.#. # # ..# ##. ##..## . . . ## .##.. . . #...#..#. .## . ..#....#... ..#. # ..# # .. .. .# # .#....##..... ..# .##.u... #..# #........# ###.#.. .# .##........# ## ....###.#...## . .# # .......# #.# .#.##.##..#..# ....#.##...#. ... .. .#. . .##... #.#.. ...##.# . #..#....X.# . #...####.# ####....###..# #.##.#...#.....§# #....#.....#§## ...#...##...# ..##.#...... # #.X...##.... ...§...#.#.#....#.≈ .....########... ≈ #..# #.≈≈≈ .. #..≈ #.. ..