Drippy Zippy
by FullDeck and Missing a Few Cards Open on SudokuPad
Strong Indigestion
- Zipper lines
The brief
**Sudoku, Zipper Lines** - Standard 9x9 sudoku: The digits 1 through 9 appear in every row, column, and box without repetition. - Zipper Line: Along Zipper lines, pairs of digits equidistant from the center of the line sum to the central digit on the line. 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