Logic Masters Deutschland e.V.

This buzzy lady is royal and as such, doesn't like to work too hard, so she shouldn't give you too much trouble!

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Rules:

- Normal sudoku rules apply.

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

- Clones - All shaded regions of the same shape must contain the same digits in the same order/configuration.

- XV sums - digits separated by V sum to 5; digits separated by X sum to 10. No negative constraint.

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

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Sudokupad

Puzzle: