Number 4

(Published on 25. August 2026, 08:51 by Mr Toffee)

Slow-Thermo Sudoku

(O) Bulbs ≤ Tips ( I )

Values never decrease along thermometers from bulb to tip.

...Digits may therefore repeat along thermometers.

Flows along thermometers always end at a given tip.

Try the puzzle here

Solution code: Column 1 from top to bottom

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