Normal 6x6 Sudoku rules apply.
[GER] German whisper lines: Adjacent digits along the green line must differ by at least 3.
[MOD] Modular lines: Any set of three consecutive cells along the turquoise line must each contain different values modulo 3 (i.e. one each from {1, 4}, {2, 5}, and {3, 6}).
[THR] Thermos: Digits along the white thermometer strictly increase from the bulb to the tip.
[DIA] Diagonals: Digits along the diagonal marked in light blue do not repeat.
[RS] Region sum lines: Box borders divide the purple line into segments with the same sum.
Lösungscode: Row 4, left to right