# .# . # . #.#. # ##. ## ### . . .#.# #######. #.##.... . # ..... # ..#. #..##.# .. . ..# .#...#.#####..#......# . # .## ...#.. .......## .#. .. # ... ... .#.....#..... . ...#.. . . . ... ...... ....... ......... § .. . .... .... .......X....... ..... .. ..........XX........ . #. ...# ... #..... X..X.#.. # .. # # . # # ..### ..###.X.## . ## # .#..#.#..#...#.###X#X# ∆ . #........ .#.######X#X.# ....#.#....#.. #....#..# #... .. #... #X.....## #..##X##..#.# #.#.#........#..# #........###...## ##.##.#....##### .. #.......# ## #........ #...#.... .##...#.# # ##..#. .## .