Logic Masters Deutschland e.V.

I love puzzles that look like they could be part of a medieval shield, don't you?

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Rules:

- Normal Sudoku rules apply.

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

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

- Ratio Kropki - digits separated by a black dot have a ratio of 2:1. No negative constraint.

- X Pairs - digits separated by X sum to 10. No negative constraint.

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Sudokupad

Puzzle: