Central Braid
by FullDeck and Missing a Few Cards Open on SudokuPad
Heartburn
- Renban lines
- Quadruples
The brief
**Sudoku, Renban, Quadruples** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Renban line: Digits along a Renban line must form a set of non-repeating consecutive digits in any order. - Quadruples: Digits in a Quadruple circle must be placed at least once in the four cells touching that circle. To get a weekly digest of puzzles, please join our mailing list at https://missingdeck.net/mailing.html