# . # . #.# # . . ... #.# ..# #.#. ..# # #..# ##.## # . ## ...## #...###.. ...... . ... ....#..∩ . ........ .......... .. ...... .. ......# .. .... #.##.#....# # #. ##.#. .....## § ≈.........#..## . ##.#.##.....#......#.. . ...#.#.##........... . .......##........#. .. .. .##....#......## . . .. .#.....#...## .# .. #. #....W....## . . ...##.#LW.....# . . #.WW.#...##.# ......W.W..## #. ..#.....##.# # #....... ## #.####.. .. #.#. # #.## .##