by Maya
Quattro Quadri (0–8): Place the digits 0 to 8 once each into the 3×3 boxes. Digits may not repeat in the same row, column, or box.
XV (Negative Constraint): Cells separated by an 'X' must sum to 10. Cells separated by a 'V' must sum to 5. All possible Xs and Vs are given.
Kropki Pairs: Cells separated by a white dot must be consecutive. Not all possible white dots are given.
Solution code: Row 6
on 20. April 2025, 05:29 by ProphetIIIV
Once I remembered the negative constraint, everything worked very smoothly!
on 19. April 2025, 17:53 by Zerobrain
nice & smooth
Difficulty: | ![]() |
Rating: | 79 % |
Solved: | 41 times |
Observed: | 3 times |
ID: | 000MZ6 |
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