Do-Si-Do
by FullDeck and Missing a Few Cards Open on SudokuPad
Heartburn
- XV and number dots
- Region sum lines
The brief
**Sudoku, Region Sum Lines, XV Pairs** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Region Sum Lines: Box borders split blue region sum lines into sections and the digits on those section must sum to the same value. - XV pairs: Digits in cells separated by an X sum to 10. Digits in cells separated by a V sum to 5. For more of our puzzles, please visit https://missingdeck.net or join our mailing list to get a weekly digest of puzzles: missingdeck.net/mailing