Rules:
Solution code: Row 5 (9 digits no spaces)
on 26. July 2023, 11:57 by HumanBirdsong
Oh, that was devious! Very clever use of thermos which got me thinking about the constraint in new ways. Great setting.
on 25. July 2023, 23:22 by Fool on Hill
Hugely underrated. A must-solve for any aspiring thermo wizard. Exemplifies an aspect of thermo logic beautifully.
[Sometimes Thermos generate 'scary' fish (swordfish, jelllyfish) this is a non-trivial thermo in a different way].
Crisp logic, requires thought, not extremely difficult: what's not to like in a decently challenging puzzle?
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Reply: thanks for the compliments, I was very happy with how it turned out!
on 24. July 2023, 16:06 by PinkNickels
Nicely done!
on 24. July 2023, 10:20 by Blashyrkh
This was fun, thanks zegres!
on 24. July 2023, 06:59 by Elliott810
Beautiful puzzle! Thanks:)