Normal Sudoku rules apply.
Little Killer: The number outside the grid indicates the sum of the digits along the indicated diagonal.
German Whispers: Red, blue, and grey lines are all German Whisper lines. Adjacent digits along each German Whisper line must have a difference of at least 5. The digits on a red line must sum to an odd number. The digits on a blue line must sum to an even number. The digits on a grey line can sum to any number.
Thanks for playing! If you enjoy the puzzle, please leave a comment or feedback :)
f-puzzles: https://f-puzzles.com/?id=y7j4m3m9
CTC: https://tinyurl.com/4npwwzfd
Penpa: https://tinyurl.com/5at4mb9a
Solution code: Column 4 and then column 5, from top to bottom, no spaces (e.g. 123456789987654321)
on 12. February 2022, 08:37 by Hausigel_mod
Even/Odd (Variant) tag removed
on 10. February 2022, 18:41 by Ragna
Sehr kompliziert! :-)
on 8. February 2022, 20:48 by laregioncentrale
Added solver links to the description.