.# . .. .# .# . .# # . ####... #.###...# ........# ##..#.#.#..#### #. ##.##.x##.## .###..#.....#.# #....##.#...#.## # .# #..#.#....# ###. ....#.#.##.##.# #.. .#.##.......# .# ####...## ....#.#... . .#... #......#.#.. ....## #####.... .## ##.....# . ##.. #. ... . . . ##.#. ..# #.## # ≈ ## #......#.. # #.#.##.# . # ##.. # .# # # # # .# #. .. #..... ..# #....# . .# . ..#. . ##. .. # # . . # .