.## #. .# ......... . ..#.#.#.##.# .......#.#.# #. ##...###.# . #..#........##.. #...#......# #. #........### . #..#...X##..# #..#....##.# ##..#......# #..###..#.## #.## #......# . #.##.##..# ..# X.. ..# ..# # .#≈ ## ... #.. #. .# #