Thermo Region Sum Lines
(Published on 4. January 2024, 17:55 by PDN777)
Normal sudoku rules apply. Digits on a thermometer must strictly increase from the bulb end. The digits along a blue region sum line must have the same sum in each 3x3 box entered by the line. I think this puzzle is 3 stars out of 5 for difficulty for many solvers. As always, comments welcome. Thanks!
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Solution code: First row of puzzle, and fourth column of puzzle (read top to bottom). Enter as a string of 18 digits, no spaces.
Comments
on 8. January 2024, 00:23 by kross
Very nice. Challenging (but not too challenging) all the way through the puzzle. Thanks, enjoyed it!
on 5. January 2024, 16:23 by lmdemasi
Lovely puzzle, thanks for sharing it.
on 4. January 2024, 20:01 by PinkNickels
Very nice. Break-in is very smooth, then there are other stages that need to be broken into. thanks for sharing
