Sudoku (Hex) by Prasanna Seshadri
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Theme: Even/Odd Trios
Author/Opus: This is the 235th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Standard Sudoku rules. Numbers do not repeat along any of the three directions in which the hexagonal cells share edges.
Difficulty: 2 stars
Time Standards (highlight to view): Grandmaster = 2:00, Master = 2:45, Expert = 5:30
Solution: PDF and solving video.
Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.
I would be curious to see more of this variant and the logic and deductions that come out of the extra constraints.
Tip for anyone used to the explicit Sudoku controls: You *can* turn Sudoku Normal and Sudoku Centre on, but keyboard navigation doesn’t work in that mode, so I recommend sticking with the Number Normal/Number Candidates options that’s already on…
1:28.This fell fast.