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Theme: Two Hard!
Rules: Standard Cross the Streams rules.
Answer String: Enter the length in cells of each of the black segments from left to right for the marked rows, and from top to bottom for the marked columns, going in order from A to B to C to D and separating each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 5:45, Master = 11:15, Expert = 22:30