-Normal sudoku rules apply.
-One color of circles is X (Cells separated by an X must sum to 10).
-One color of circles is V (Cells separated by a V must sum to 5).
-One color of circles is white dot (Cells separated by a white dot must contain consecutive digits).
-One color of circles is black dot (Cells separated by a black dot must contain digits with a ratio of 2:1).
-Not all circles are necessarily given.
Color-blind friendly version:
Solution code: Column 1 followed by Column 9 (no spaces)
on 11. February 2022, 18:58 by kolot
Beautiful setting!
on 9. February 2022, 15:16 by Mad-Tyas
Beautiful setting and very nice to solve!
on 9. February 2022, 14:15 by Ragna
Das hat Spaß gemacht! :-))
on 9. February 2022, 12:27 by Makkori
Great idea and execution.