#. . ## ∩ .# . . # . #. . #. .# ## . # #. ## .###. . . . #.#..# #....#..#. .## . .# #.#. ### # ..#...#.#####.## #.# . .# #. #.# .##..#.##.#...## .. . ..XX..X...#.#.#..##....#.#.#.# # .... .. ...# ##.# #X#..###.#....# # . . ### ### ..#.#.#..#..X..# .## #. .# #.#.##...##......# . # . .## #..#.#.....####..#.# #.## #. ##X#... .# #..#... . #.#..#X.. ..# ##.# ### . ...#.......# #.# # ##. ...##.... ... # #...... #...#.##. #.#. ... #... ..# .. . #.