. . . # . .##. . .. # ...... .#.# # .. ##.#.. # . # . . #. #.# #. . # ##.. ... .##. # ##... ..# .. . #.##...# #. .. .# ## #..##....#.# ... .# ##. # .. . ..... # . # #. ......# . .. # # #...## .... .#. . . . #..#. #. .#...##.###... .#. ##.... #.#....#..# # .. # ...#. ...#.#..# . ## #∩ ## #...#######.# #.. . ..##....#.#.#..# #.#... .... ...#.#....# # .#. ...#...#.##....... . ## §.#..## ##....#. #..§#.#.## #.#..# .##.*#.#.# .##.... ........## .# #.# # .##.....##.# .... #..###...# .# #... #.#.# #. . #.# .. .#.. ..# ..# .#. #.# #. . . #. # .#