So Much Negativity
by FullDeck and Missing a Few Cards
GAS
- XV and number dots
- Negative constraint
- XV (negative)
The brief
Normal sudoku rules apply: every row, column, and box must contain a complete set of the digits 1-9. XV: Digits separated by a V sum to 5. Digits separated by an X sum to 10. All possible Xs and Vs are given. (Negative constraint applies.) Exported from f-puzzles.com