Normal sudoku rules apply.
Digits within cages do not repeat and sum to a unique even number.
ie Each cage has a different even total.
Digits separated by a white dot are consecutive.
Digits separated by a black dot have a ratio of 1:2.
Not all possible dots are given.
Solution code: row 9
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.