Logic Masters Deutschland e.V.

Normal 6x6 Sudoku rules apply.

[REN] Renban lines: Pink lines are filled with a set of unique, consecutive digits.

[ZIP] Zipper lines: On a purple line, each pair of digits which are equidistant from the line's center sum to the same total.

[RS] Region sum lines: Box borders divide blue lines into segments with the same sum. Different lines may have different sums.

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