German Whispers: Adjacent digits along a green line must differ by at least 5.
Ratio pairs: Digits separated by a black dot must have a ratio of 1:2. Not all possible dots are given.
f-puzzles: https://f-puzzles.com/?id=ygyxw9j5
CTC: https://tinyurl.com/42p2arfr
Solution code: Row 4 + Column 1 (18 digits)
on 12. October 2021, 22:24 by ___
enjoyable solve path. thank you SSG!