Normal 6x6 Sudoku rules apply.
[PAR] Parity lines: Digits along the dark orange line must alternate between even and odd.
[ENT] Entropic lines: Any set of three consecutive cells along the light orange line must contain one each of low (1, 2), middle (3, 4), and high (5, 6) digits.
[THR] Thermos: Digits along the white thermometer strictly increase from the bulb to the tip.
[REN] Renban lines: The dusty pink line is filled with a set of unique, consecutive digits.
[ECH] Echo lines: The dark rose line is filled with a repeating sequence of one or more different digits. The full sequence must appear at least twice along the line and must always repeat in its entirety.
Solution code: Row 2, left to right
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