Normal sudoku rules apply. Digits separated by a white dot are consecutive. Digits separated by a black dot are in a 1:2 ratio (i.e. one digit is twice the other). Digits may not repeat on either of the marked diagonals.
Normal sudoku rules apply. Digits separated by a white dot are consecutive. Digits separated by a black dot are in a 1:2 ratio (i.e. one digit is twice the other). Digits may not repeat on either of the marked diagonals.