Normal sudoku rules apply.
Dutch Whispers: Adjacent digits along orange lines must differ by at least 4.
Quadruples: Digits in circles must appear in one of the 4 surrounding cells.
Ratio: Digits separated by a black dot have a ratio of 2:1.
Not all dots are given.
Solution code: column 1
on 16. May 2022, 18:13 by Harold
I still haven't fully grasped the Dutch whispers logic, so it took me quite a while to finish. Nice puzzle Scruffamudda!
on 16. May 2022, 00:24 by Scruffamudda
tag added