Normal Sudoku rules apply. Additionally:
1. XV: cells separated by an X must sum to 10; cells separated by a V must sum to 5. No negative constraint.
2. Kropki pairs: cells separated by a white dot are consecutive; cells separated by a black dot have a 1:2 ratio. No negative constraint.
3. Digits along the main marked diagonals cannot repeat.
F-Puzzles: https://f-puzzles.com/?id=yg7ryr22
CTC: https://tinyurl.com/stitchedrainbowii2ctc
Solution code: Row 9.
on 4. September 2023, 11:48 by snuuba
Very nice flow, thanks for sharing
on 12. December 2022, 20:01 by julien505
Immensely fun, having a blast with this series
on 30. October 2022, 22:50 by Mr.CHEN
Well, I made a lot of mistakes. It took me 2 hours to restart 3 times and finally I solved.
on 24. August 2022, 03:00 by Bananaman
Rule 3 missing on CTC.
on 20. October 2021, 01:09 by taylorsc
Fun puzzle! I like how everything came together at the end.
on 19. October 2021, 22:17 by 10feet
Well thought out and approachable puzzle. Thanks.