. . # . # . # . # # . . . # #.. # ## # §§ #. .# .# §..# #..# §§§ ..##.# . . # # . ..... #..# ##.# ##...#.. ... ## . .. ...... #..# #.# ... ..... .#. #..## #.## .. #..## #.##.#.#.## #. .# .. #..# .## .#..# . .# .... .## ..... .# .... ...##..#...# ..##..####.###..### #∩..#.#. ....#.# ........#.#......... . ..##..#... .## . #.#..#.#.%... #. ....##.#### #.#....#...# #.#.##...#..# . ..#....##...#... X######.5.#..# ##...### #......# #...###... ##.## .# .#. # . # #. .#