. . . # .. # # # . . #. . # # #. # . # # .. # # . . # #. # # # #.#. # # # .. .. ...# .. # # .#. . # # # . #.. # .## . ≈ .. #.. . ... ....## ## ≈≈ ..# ...##. # ### ... ≈ # . ..#.# #3 ... . .# .≈≈. ... ...#.... .# . # . X ≈. .#...#.. ..##. . #≈#.. #.....# #.. # .≈ .#..#....#..# .. . . ≈##..#....###. ## # . # ..##.#.###. . .. ###......#...## . . # .##.#......#... #. #..#.........#... #..##.####§.#... # # # #...#...##...#.. # #. ##.....##. # #..§..#§.x..# #.. ##.#####.#.X### # #...##..# ....z....#..# ##z#.X#.# ..... ..#..##.# ....... ..#..# ##. ..###.. .#... .#.## . #.# .. .#