Normal Sudoku rules apply.
On purple thermometers, the differences between pairs of directly-connected digits along the line must strictly increase from bulb to tip. Digits may repeat on difference-meters if allowed by other rules.
Inequalities point to the smaller of the two digits they separate.
Solution code: Row 7
on 5. July 2026, 12:45 by galium_odoratum
Fun puzzle, 1* for me. I liked the narrow solving path and the symmetry.
on 5. July 2026, 12:27 by Yawnus
Very nice symmetry!
on 5. July 2026, 01:59 by EdTheAlchemist
oops! i meant row 7 for the code, not row 6! sorry!