F(5 + 6 + 7 + 8 + 9 + 10 + 11) = 225

Puzzle # 10: Thermo Quadruples Sudoku!


Hello again! We've made it to double digits! Phew! Only 90 more until the ton is up! As promised, here is the quadruples sudoku you've been waiting for, along with a few thermos because who doesn't love thermo sudoku, right? Right! Well, best to get a move on!


Rules:

- Apply classic sudoku rules

- Digits on a thermometer must form a strictly increasing sequence starting at the round bulb

- Digits surrounding a quadruple constraint must appear in one of the four cells surrounding the constraint



https://tinyurl.com/2zhhtyyr


Enjoy, and may the cookie crumble in your favour!


CC :)


P.s., can you work out why the puzzle is titled so? 3 circles will help you understand, but only if taken in the correct sequence! :)

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