.. . . ... .# ...#. . ∩. ... ###.#. .. . .≈.. ..# .##..#...##. # #≈ . .. ..#.#....#.# ..#. ≈ . ##. ##.##...... .## .. ≈ . #.##..#.#...#.........##. #. . .......#....##.. (.....##.# (. # #..$.....#. . . .# ≈ .... #.#...#.##.###..# . ..≈.≈. . #.)....##..#.. ...#.... ..≈ .. #..#..R..#...# .#.##≈≈ #_≈ . #..#..##..#...#...# ..#.... ..... ##...# ##......#... . ....≈. ... ##.. ###..#.#..#... # ... . #.# # ###.# ..........# . . #.# ... #...# ## ##....# .## .. ..# . #.#. .. #... . # .. #.# .. .##. #. #.... #.# # ## .#.## .##### #.# . . . .# ##