. # . . # . . . # . . . . #.. #. . # . # # .. # # . #. .. . ###. . .. . . #... . # ## # #.#§ . . . .. #. ..#.. # . # .. .... . # . # 3. #.##.# . # .# ....#.#.#. . .. . #. . # ... .. #.. . #.####. . ## #.. #.##. # #....# .# ##.. .#.## . #. # ..###.. .#... ## ..# . .#. .. #...####..## .# ............#.#§#..# # #... #...#. ##.§. # # .. #... #.. .#.#§..# . #.. ##.## ##....# .. #..##...###..##...# .## # ##.#... .#...##.### . #............#... .. ∆ #.....# .....#. ##...###...#.## ##2## ##.##.# ##...###.....# #.#.....#....#.. #.......5X......# ...#.....#.w..... ....##...###w.#### #.. ##.## #.# ## #... ..# #... ... ..... #.. ..#. #. ..##