Logic Masters Deutschland e.V.

Rules:

• Normal sudoku rules apply.
• Thermo: Digits along thermometers must increase from the bulb end.
• German whispers: Adjacent digits along green lines must differ by at least 5.
• Renban lines: The purple line contains a set of consecutive, nonrepeating digits in any order.
• Disjoint groups: Cells in the same relative position with respect to a box cannot contain identical digits.

F-puzzles: https://f-puzzles.com/?id=yadk549p

CTC app: https://tinyurl.com/2p9e5343