Logic Masters Deutschland e.V.

Normal Sudoku rules apply.
For accessibility, lines have been marked with an abbreviation to distinguish them as an alternative to the line's colour.
Cells connected by a pink Renban [RN] line form a set of consecutive digits, in any order, without repeats.
Adjacent digits along an orange Dutch Whisper [DW] line must differ by at least 4.
Box borders divide a blue Region Sum [RS] line into segments with the same sum.
Adjacent digits along a red Parity [PR] line, one digit is odd and the other digit is even.
All the digits in a Quadruple's white circle must be assigned to one of the surrounding cells.
Killer cages, indicated by dotted lines, cannot have repeated digits and the digits in the cage sum to the total if shown in the top-left corner.
Digits in cells joined by an X sum to 10. Digits in cells joined by a V sum to 5.
Digits in cells joined by a white dot are consecutive. Digits in cells joined by a black dot are in a 2:1 ratio.
Not all Xs, Vs or dots are necessarily given.

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