Anti Knight
Anti Knight adds rule that cells with knight move in chess from each-other must be unique. Those cells cannot contain same digits
On the image above, digits 2 are not valid, because cells are chess-knight move away from each-other.
Anti Knight adds rule that cells with knight move in chess from each-other must be unique. Those cells cannot contain same digits
On the image above, digits 2 are not valid, because cells are chess-knight move away from each-other.