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Practice · Entropic Lines
Entropic Lines drill 1
★★★☆☆
Time0:00
Target🎯 15:00
✓ Clean
24/81
Digits
Rules
- Normal sudoku rules apply: fill every row, column, and 3×3 box with 1–9.
- Every three consecutive cells on a line contain one low (1–3), one middle (4–6), and one high (7–9) digit.