.# # ... ## .#. . .# . .# ..# #.# ###.##..#.#.# . #...#.#....# .#.. #..#..##..# # #.##.## ###...#... ## .. #..#..##.....#.##.. # . ..###....##..#..# # #..##..##.#...# . # # #..#......##.#.# . .## ##...∩...#_#.# ## .. # ## ##.#.#.4.#.##. ...# # .. # #### #...#...#.. .... ##...# #...#.....#... .#.. .. . ###.#..###.#.## ..### # ... #.. ##.. #.... ... # §# ...###. ....#..#.# . ##.. #####. ......> .. # .# .... . .... . . . ### #.#.. ..#.≈# . # .###... # ≈ #.# . .#. .≈≈≈ ≈ . . # #. #.≈≈ ≈ ≈ .... #. . . .≈≈≈≈ # # .. .≈ § .. #≈ ≈ # # .