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A number within parentheses works the same way; [2 :2] would mean Chip also waits [2] at this location on the way back from the moves in parentheses. Note that the waits do not have to be of equal duration as long as they are on the same spot. | A number within parentheses works the same way; [2 :2] would mean Chip also waits [2] at this location on the way back from the moves in parentheses. Note that the waits do not have to be of equal duration as long as they are on the same spot. | ||
All of these can also be separated by commas when many dead ends run into each other: (3D [L, 4R, 6D L]) = 3D L 5R 4L 6D LR 9U. Like parentheses in math problems, they can continue to combine themselves to infinity, but when this is difficult or merely more troublesome than it’s worth, | All of these can also be separated by commas when many dead ends run into each other: (3D [L, 4R, 6D L]) = 3D L 5R 4L 6D LR 9U. Like parentheses in math problems, they can continue to combine themselves to infinity, but when this is difficult or merely more troublesome than it’s worth, bases are used for extremely busy hubs. | ||
=== (word) === | === (word) === | ||