. #.# #.. . . #∆ . . #... # u# ## . .u . . .# ##.# #.# . # . #..###..# ...# #.## .. .# # #.u #... #u #. ... ..#. . .#.# . ...#.. #.# ##..#u####.# .. ## ####u#.. .# ....##... ...# .. # ....# .##....# #...u.## ..#.... ...#..u#####. #.... . #..#....#.#...### ##...#......... #. #....###...## # #...##.#u###.....#.### #..###. ###....(...#.... §# # # ##....##...# .......##..#..# # #...###..#.X..#.##### .. #...2.......... #....##.....##. #..##..#.......# #.....##..#.#### ..#..## .#}..# #.##. #..#.#. # ... .#.. .# # .....