. . . . # . . # . #. .# . # . . .. .. . #. # # .## # .. . ..# . . #. . # .. # #. . .. . #..## ... . ##. #... #. #.## .## # ..#.# #. #.#.. . . #. ...#.. # #. .#.# ..## #.# .#. #.#.. .# ## ... #.# .X## # #..#..#. .# # ##.#. #X .##.##. . #. ...#..##.#.#... #..## .##.......# #.##..###X.#...#.. #.. .. .#..# .#.# ###.##...# #...#.# ..# #..3##X...#..# . #.#....###...# .#..#..## .. # # #..3..# .#.#.# #..#..3#####.#...# . . #..#.#∩.......... #.#.#X.....##..#.# .5##......##......# ##.#....###5.##..# #...##.# #....# #..# ..##.##.....# ... ##..## .#.### . .## .# .. # .# .# #. .# # #