The central part of this puzzle occurred to me pretty quickly - the trouble was tying it all together. I hope you like the result!
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Rules:
- Normal sudoku rules apply.
- Lockout Lines - digits along a lockout line must not be between or equal to the two end digits shown in blue diamonds. The two diamonds on a lockout line must differ by at least 4.
- Ratio Kropki - digits separated by a black Kropki dot have a ratio of 2:1. No negative constraint.
- German Whispers - neighboring digits along a green German Whisper must differ in value by at least 5.
- Renban - the digits along a hollow purple Renban line form a consecutive set in some order.
- Parity - neighboring digits along a hollow red parity line alternate between being even and odd.
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Puzzle:
Solution code: Row 7 digits left to right
on 3. April 2026, 20:28 by NotSoMagnifique
Solution code correction
on 3. April 2026, 20:26 by SKORP17
Code = Row7 !