∩ # . .. # #. . . .# #. # # .. ..#.. . . . . # . .#.. . # .X.. .#.## # . . ## .## . . . . ..# ###.##. .# # # . . ## .#.. .#.#. # # . # .# ..#. ##...#. # #.# #... ## ...... ..###. .#. . .. #.##.# ..#. #....#..# # . ... #...# . .X#..### # ## ......#......# ....# . ###.# . ..#..# ..#... . # . .#.# .#..#.#..#...#### . .# # ##..#..##...# .# ## . ## ....##.#.### .### ##. #...#..#.# . #...#..##.#.## .# #.....#..##...#. . . ....# #... .. #..###..#.###.### .. ..##.##.#..# #...#.# ..# ## #...##..#..# #.#...#..##. #......#.... #.#..#...# #.#.##X..#...* #.....### #.. #...#.#.# ≈ ##. #. ... .. #. #.#.. .. #. .# ≈≈≈ # .# .# ≈≈ . # . #