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Alternating Parity Lines Sudoku (1275)
Instruction:
Apply classic sudoku rules. Digits along each marked line must alternate between even and odd digits.
Reference:
WPF
(1)
Examples:
WPF Sudoku GP 2026 - Round 4
(243)
Parent puzzle:
Odd/Even Sudoku
Related puzzles:
Odd-Even Pairs Sudoku