One Lost Goose
by FullDeck and Missing a Few Cards Open on SudokuPad
GAS
- Killer cages
- Zipper lines
The brief
-Normal sudoku rules apply. -Cages: Within cages, digits cannot repeat and must sum to the value shown in the upper left corner of the cage. -Zipper Lines: Digits equidistant from the center of a purple Zipper Line must sum to the digit in the center of the line. Centers of Zipper Lines are marked by small purple dots.