A Knight Down The Drain
by FullDeck and Missing a Few Cards Open on SudokuPad
Strong Indigestion
- Anti-knight
- Arrows
The brief
-Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. -Anti-knight: Cells that are a chess knight’s move apart cannot contain the same digit. -Arrows: Digits along the shaft of an arrow sum to the value in the attached circle.