Logic Masters Deutschland e.V.

Normal Sudoku rules apply.

Solver must determine which lines use which constraints. Three lines are German Whisper lines. Two lines are Zipper lines. Two lines are Equal Split lines.

• ANTI-KNIGHT: Cells separated by a knights move may not contain the same digit.
• GERMAN WHISPER: Adjacent digits on the line must differ by 5 or more.
• EQUAL SPLIT: Place a single dot on the line that splits it into two segments. The sum of both segments is equal.
• ZIPPER: Any pair of digits that are the same distance from the center of the line sum to the same total. For odd length lines, the total is the central digit.

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