1. Base
Normal Sudoku rules apply.
2. XV
Cells joined by an X must contain digits that sum to 10.
Cells joined by a V must contain digits that sum to 5.
Not all X's and V's are necessarily given.
More XV Sudoku puzzles
This puzzle appears as puzzle #123 in my book
128 Handcrafted XV Sudoku.
If you enjoyed solving it, you'll find
127 more handcrafted XV puzzles
in the full volume, ranging from
beginner-friendly introductions to
expert-level challenges.
Solution code: Digits in row 3 (left to right).
on 14. August 2026, 00:03 by Myfyr MJ
Very nice, maybe just 2 star difficulty, not 3?
on 12. August 2026, 23:18 by Onkel_Dagobert
I‘m sure I did not follow the intended path, but this one took nearly all the tricks up my sleeve, including a certain devilish logic.
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