### Nurikabe (Full) by JinHoo Ahn

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Theme: Number Snakes

Author/Opus: This is the 51st puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Variation of Nurikabe. Shade some of the numbered cells so that the grid is divided into white regions, with each cell in such a region containing a number identical to the area of the region. Two white regions may only touch diagonally. All shaded cells must be connected with each other, but no 2×2 group of cells can be entirely shaded black.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:15, Master = 2:15, Expert = 4:30

Solution: PDF and solving video.

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. 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, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.

• Chandrachud says:

Expert time … but involved some trial and error

• sdfdsds says:

First time I beat the grandmaster time 🙂

Monday I was close (+15 seconds) and Tuesday veeery close (+2 seconds), today I finally did it

• nkm says:

2:45. Had to use trial and error for the break in, but after that very smooth!

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