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