Normal Sudoku rules apply.
Digits increase strictly along each thermometer, starting at its bulb.
The digits in every 2×2 square that crosses a box border sum to a multiple of four.
Inspired by Border Square Sums by Phistomefel.
Lösungscode: Digits in row 6
am 4. Oktober 2026, 18:03 Uhr von Onyx
Great logic, the inspiration is clear, thanks a lot for setting this, 27:25!