.### #. #... . .. . .#... ...# . . . .## .## ..#. # #.#..... ....# ##... .. # #..##.#...# ..# #...##...# ##..# ###.#..#.## ...#.? #...#..#.# ......# #∩.##. ...## #._.##...##..... #...#.##. ##.#. . #53#.##. .....#.## ##.####.. # . .. #5## #..## #.##.. 5.#._...# # .... .... .# . # .#.# ### . # #. . # # . . .#