Shhh ... I'm Adding!
by FullDeck and Missing a Few Cards Open on SudokuPad
Heartburn
- Region sum lines
- Whisper lines
- Whisper 5
The brief
**Sudoku, Duality Lines (Region Sum, Whisper-5)** -Standard 9x9 sudoku: The digits 1 through 9 appear in every row, column, and box without repetition. - Duality Lines: All lines in this puzzle are BOTH region sum lines AND whisper-5 lines. - Region Sum Lines: Box borders split blue region sum lines into sections and the digits on those section must sum to the same value. - Whisper-5 Lines: Adjacent digits along a Whisper-5 line must differ by at least five. 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