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Theme: 37 Strong
Author/Opus: This is the 21st puzzle from our contributing puzzlemaster Tom Collyer.
Rules: Standard Nurikabe rules.
Answer String: Enter the length in cells of each of the black segments (the unnumbered, connected “ocean”) from left to right for the marked rows, starting at the top. Separate each row’s entry from the next with a comma.
Time Standards (highlight to view): Grandmaster = 0:50, Master = 1:30, Expert = 3:00