##. . . # # # .. ...## #.#.#. # . #. # #. ##### #.#...### # .## # ## #.### .# .# # #..# ..# # .## .# #.. . . # # ... .## . ## ##...#. #.### .##.# ##...#. ##.. # ...# .#.. ..## ##.# ##.## # .........###...###...## ..# .. .......#.....#.....#..... ##...#.................... ## ##(.#.....#..4..#..... #.. #.###v..###...## ..# #.. ..## ##.## ##x## # ....... # ..# mx.# .#..... #.....#.....# # ..# .......≈...m... #. .#... ≈≈.....#.