.. #.# ###.##. #...#.# ####.#... #####.##.XD.# # #.#..##.X.3##.#. ##..###...#....# #... #..#.#.#.## #####.#.#..#####. .# . X.#....#.#.. #. # #..##X.....##.#...# .. # ..##...#.##...# ......#.... # # ≈..#.....#.. ≈ X#. #..# # ≈ ≈.##..