... .#. ∩..##.#. # #.#XX..# .# # ...X..#..#. .. #.#.#...#.... .z ......... #. ..####.#..## # #. #........##..# .#.# .......#z######... .#.....#....#.##..# #.#...###...## .#.##.# ≈≈...###.......#....# ....#...#..#....##..# $..###.##..##.##.# ...# #.. [.# #..# .# .# .#. ... .#.#.## # .. #.. #..#### # # .#. .#.# #