Logic Masters Deutschland e.V.

Hi all - had to send my computer for service, but now I have it back and I can work on uploading some of my backlog!

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Rules:

- Normal Sudoku rules apply.

- Renban - digits along a purple Renban line form a consecutive set in some order.

- German Whispers - neighboring digits along a green German Whisper line must differ in value by at least 5.

- Dutch Whispers - neighboring digits along an orange Dutch Whisper line must differ in value by at least 4.

- Region Sum Lines - the digits on a blue Region Sum Line sum to the same amount on either side of a box border.

- XV sums - digits with a V between them sum to 5; digits with X between them sum to 10. No negative constraint.

- Kropki - digits separated by a white Kropki dot differ in value by 1; digits separated by a black Kropki dot have a ratio of 2:1. No negative constraint.

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Sudokupad