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