Fraktsums
(Published yesterday, 19:53 by gwai77)
The rules:
- For each line, digits on the line have an equal sum N within each box it passes through.
- Cells separated by a white dot must be consecutive.
- Cells separated by a black dot must have a ratio of 2.
- Not all dots are given.
- Click the image to solve it on Sudokupad.

Solution code: row 3
Solved by addie, Postnormal, jalebc, SKORP17, StevenS, nunc, Stanle2d, andylis0305