Normal sudoku rules apply. Digits along an arrow must sum to the digit in that arrow's circle. Odd/Even parity is reflected across the purple mirror. eg if r6c2 is odd, r2c6 must also be odd.
Normal sudoku rules apply. Digits along an arrow must sum to the digit in that arrow's circle. Odd/Even parity is reflected across the purple mirror. eg if r6c2 is odd, r2c6 must also be odd.