.. #. #. X . . .. .. . ## .#. . . # #. # # #. .# #..#......# # ...... .# .# #..# ..# ##.#. ..# #.### #.# ##... ∆ ∆ . .####.## ## .# .#.#.. #. #.# .# ...##.# #.....###. ##. ..#.# #.#.#.#...###..#.#.### .#...#...#....#... .# #.#..#....'''...#...# #..##.#...# #+..#.### ...#..*#..#++. .#. #.#..##..++#''.#.# ∆ #...++#*∩#'## #.#. #.##.++##.# #. . #....##+####'' ...# ...#....+ . '.#'. # # #.. #.....+ #'# .. .# . ## ##2.##.. .#. .# # ###. #.. . #.# .. ..