#. ..# # # ##.# ##.#. ..### #.#..# ##.... #.# # #....##.#.## ..#:# .### .###....#.##....### #....# ....#.#..#.##.... #.. .. ........#..#.... #.......#.#............ #..#... ...#.......#. ....###....3.#.....#.## #.. #.#..#.##.........# #. ..##....#.#".#..#.# ..#.#.#'#.......# .... #....'.+#....... ... ...##.#+#.......#. .. #.#.......## ... ..#.......# ∩.. #....#... .. .