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Free Play
Thermo
★★☆☆☆
Time0:00
Target🎯 12:00
✓ Clean
23/81
Digits
Rules
- Normal sudoku rules apply: fill every row, column, and 3×3 box with 1–9.
- Along thermometers, digits strictly increase from the bulb end.
⏱ Fastest times
- 1Pyppy10:44