1) Normal Sudoku rules apply
2) Purple lines contain a set of consecutive, non-repeating digits in any order
3) Digits separated by a black dot have a 1:2 ratio
4) Cells separated by a king's move (in chess) cannot contain the same digit
You can play it here: f-puzzles. Or here: CTC-App
Solution code: Row 5 + Row 9 (18 Digits)
on 14. January 2026, 15:22 by morgannamodeaura
it was very hard to see the numbers against the dark purple
on 7. January 2023, 14:19 by ScatterBrain
@argl: no negative constraint on the dots.
Thanks for the puzzle, it was fun!
on 7. January 2023, 08:22 by argl
negative constraint y/n?
| Difficulty: | ![]() |
| Rating: | 84 % |
| Solved: | 46 times |
| Observed: | 13 times |
| ID: | 000CIW |