# .# ## # . #. .#.##. .. ##. ##..#.. . ## .. #..##.##.## ...##. #.........#.#... # .......#.....#...#... #.....##..##.....# .#. .# ..#.###.......####..# ...# ≈ .#. #...###..##..# .. ##. . #...... ##2#.##.## .... ####.# #.#..#...### # ## #.......#.... # #..##.###.#2... #.##.### #.# ...# #.# # #....###.## ## #. ### . #.#..# # .###.. .# .∩2 .##.. # . #. . #...# . # .# # ..# #. #...# #... #. # # .#.. .# . ._## #..#..# #.##.##. .# .. ... . ## #