Normal sudoku rules apply.
Disjoint Groups Constraint
Digits on arrows must sum to the digit in the circle.
Digits along a little killer diagonal clue outside the grid must sum to the clue.
Circles must be odd digits. Squares must be even digits.
F-Puzzles link: https://f-puzzles.com/?id=yj6gsrh3
Solution code: row 1 digits followed by row 9 digits
on 9. December 2021, 04:38 by Polycarp
updated label tags
on 24. June 2021, 15:57 by Vebby
Very nice! Loved how the disjoint sets logic interacted with the little killer clues.
on 6. April 2021, 05:48 by glum_hippo
Very imaginative, a beautiful opening logic, and satisfying conclusion.
on 5. April 2021, 00:52 by Rangsk
Difficult opening! But a fun solve after figuring that out :)
on 21. March 2021, 13:36 by Polycarp
Thank you to @Fritzdis for helping me in several ways to get this puzzle up here.