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