Normal sudoku rules apply. In addition, a digit connected to a "thermometer bulb" must be higher than the digit on the bulb. Different cells connected to the same bulb may contain the same digit.
Solution code: Column 1 and row 9
on 16. February 2024, 16:06 by PinkNickels
Very nice! I am a certified Goodliffer, so had to be rather careful to not make a typo! thanks for sharing
on 26. July 2020, 03:37 by dgreenspan
Add link to solve online
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