Offset Whisper

(Published on 10. October 2024, 19:58 by Maximus)

I added a few hints below for if you get stuck.

Standard Sudoku: Place the digits 1-9 once in every row, column, and box.
German whisper lines: Digits on green lines differ by at least 5.
Entropic lines: Any set of three sequential cells along a peach line must contain a low digit (1-3), a middle digit (4-6) and a high digit (7-9).
Kropki dots: Digits seperated by a black dot have a ratio of 2, digits seperated by a white dot have a difference of 1.

hint 1

Using set theory, it can be proven that every digit on an entropic line also appears on the whisper line. That's a lot of 'middle digits' for a whisper line!

Select the text above to view the hint.