Nurikabe (No 5 in Line) by John Bulten
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Theme: 2×2 Welcome! (for Jamie Hargrove)
Author/Opus: This is the 25th puzzle from our contributing puzzlemaster John Bulten.
Rules: Variation of Nurikabe rules. The 2×2 shaded cell rule no longer applies. In its place, it is not allowed to have five consecutive black cells in any row or column.
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 = 7:30, Master = 13:00, Expert = 26:00
Solution: PDF
Note: Follow this link for classic Nurikabe puzzles on this website and this link for other variations on Nurikabe puzzles. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles collection.
I really liked this one — some very interesting and creative logical use of the no-5 rule.
I agree, this was a lot of fun to solve. Thanks a lot!
24:00.