Black Friday
by FullDeck and Missing a Few Cards Open on SudokuPad
Mild Indigestion
- Kropki dots
- Negative constraint
- Kropki (negative)
The brief
**Sudoku, Kropki Dots (negative constraint)** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Kropki Dots: Digits in cells separated by a black dot are in a 2:1 ratio. Digits in cells separated by a white dot are consecutive. ALL POSSIBLE DOTS ARE GIVEN. To get a weekly digest of puzzles, please join our mailing list at https://missingdeck.net/mailing.html