Normal sudoku rules apply.
Black dots separate digits where one is double the other; ALL such dots are given (negative constraint applies).
Along thermometers, digits increase as they move away from the bulb.
Have fun, leave a comment if you enjoy the puzzle!
Solution code: Row 8
on 28. April 2026, 18:53 by Franjo
Thank you very much for creating and sharing another beautiful puzzle.
on 28. April 2026, 01:50 by Jafacake
Deserves much higher rating, really enjoyable
on 27. April 2026, 19:59 by Vionix
Very nice :)