Lockout Labyrinth
by FullDeck and Missing a Few Cards Open on SudokuPad
Indigestion
- Kropki dots
- Lockout lines
- Kropki difference
The brief
Standard sudoku constraints: Every row, column, and box must contain a complete set of the digits 1-9. Lockout lines: Digits in the diamonds at the ends of a lockout line must differ by at least 4. Digits on the line may repeat but cannot be equal to or between the digits in the diamonds. Kropki dots: Digits on either side of a white dot are consecutive. Not all possible dots are shown.