Hello.
Normal Sudoku rules apply.
Digits in a cage sum to the small clue given in its top-left corner without repeating digits.
Within each 3×3 box, all digits belonging to the same cage segment (the part of the cage inside that box) must have the same parity — either all odd or all even.
A cage may change parity when it crosses a 3×3 box boundary, but this is not required.
Have fun.
Solution code: row 9, first 6 digits
on 11. October 2025, 12:25 by matthew.v
Lovely ruleset, I had a lot of fun. Thanks for the puzzle!
on 10. October 2025, 06:40 by Killer Joe
Updated ruleset.
on 10. October 2025, 04:11 by starfall
Good puzzle! I had done it supposing that the digits in a cage must be different. I wonder if it is necessary