Dagnabtropic Lines
by FullDeck and Missing a Few Cards Open on SudokuPad
- Entropic lines
- Nabner lines
The brief
**Sudoku, Duality Lines (Nabner, Entropic)** - Standard 9x9 sudoku: The digits 1 through 9 appear in every row, column, and box without repetition. - Duality Lines: All lines are both Nabner AND Entropic Lines. - Nabner line: No two digits along a Nabner line can be consecutive, regardless of their position on the line. Digits may not repeat on Nabner lines. - Entropic lines: Any set of three adjacent cells along an entropic line must contain a low digit (123), a middle digit (456), and a high digit (789). 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