Normal sudoku rules apply. Identical digits cannot be a chess knight`s move apart. Digits along an arrow sum to the digit in the circle. Digits in a cage sum to the total given. A black dot indicates a 1:2 ratio between the digits it connects.
Normal sudoku rules apply. Identical digits cannot be a chess knight`s move apart. Digits along an arrow sum to the digit in the circle. Digits in a cage sum to the total given. A black dot indicates a 1:2 ratio between the digits it connects.