National Math Camp
by FullDeck and Missing a Few Cards Open on SudokuPad
Strong Indigestion
- XV and number dots
- Whisper lines
- Whisper 4
The brief
**Sudoku, Whisper-4 Lines, XV Pairs** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Whisper-4: Adjacent digits along a Whisper-4 line must differ by at least four. - X and V pairs: Digits in cells separated by a V sum to 5. Digits in cells connected by a X sum to 10. 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.html