Detuned Broadcast #14: Nurikabe

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Nurikabe by Tom Collyer


or solve online (using our beta test of Penpa-Edit tools)

Theme: Baby in a Corner

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 = 1:15, Master = 2:00, Expert = 4:00

Solution: PDF

  • Jack Bross says:

    Nice puzzle, but nobody puts Baby in a corner.
    Especially since she’s married to Agent Coulsen now…

  • chaotic_iak says:

    02:32. Unusual opening and fairly narrow solving path I think? It’s a great treat anyway.

    • Tom Collyer says:

      I once did a nurikabe with 12 5-islands representing the 12 different pentominoes, and the remaining islands being either 1’s or 2’s. X and U posed the most difficulty as a constructor, and I’m quite a big fan of the logic needed to get them working.

      I think Palmer has a pentomino nurikabe in his archives as well…

      • MellowMelon says:

        Right, 107, which seemed to inspire some of the smaller pentomino-themed Nurikabes made by others afterwards. In contrast to the more specialized nature of puzzles like the one here, mine was a normalish 36 by 20 with the twelve 5 clues scattered all over and lots of other numbers. Not quite as clean or noticeable an execution.

  • David Olmsted says:

    I liked the “nose tesuji”. Neat puzzle.

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