Camp Sierpiński
by FullDeck and Missing a Few Cards Open on SudokuPad
Strong Indigestion
- Kropki dots
- Whisper lines
- Whisper 4
The brief
**Sudoku, Whisper-4 Lines, Kropki 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. - Kropki pairs: Digits in cells connected by a black dot are in a 2:1 ratio. Digits in cells connected by a white dot are consecutive. 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