Normal Sudoku rules apply, place the digits 1-9 in each row, column, and box.
German whispers: Adjacent digits on a green line must have a difference of at least 5. All German whisper lines have been given that would be vertical or horizontal. (i.e. There is a negative constraint, but this does not apply to diagonally adjacent digits.)
Ratio Pairs: Digits separated by a black dot must be in a 2:1 ratio.
This is a sequel to Heard No More,
and Heard No More 7.
If you like this puzzle you may enjoy some of my other puzzles too, click HERE to see the other puzzles I have made.
Solution code: Row 1
on 18. October 2025, 14:28 by NCtide
Working my way through this series in reverse and thoroughly enjoying it! Impressed with how each entry offers varied logic with same constraints.
on 2. May 2025, 16:39 by PinkNickels
Very nice, Bard. Love this variant. Thanks as always.