Logic Masters Deutschland e.V.

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Normal sudoku rules apply.

Region Sum: Blue lines have an equal sum N within each box they pass through; N may be different on each line.

German Whisper: Adjacent digits along green lines must differ by at least 5.

Renban: Pink lines contain a set of non-repeating consecutive digits in any order.

Kropki: Digits separated by a white dot are consecutive. Digits separated by a black dot have a 2:1 ratio. Not all such dots are shown.

Have fun, leave a comment if you enjoy the puzzle!

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