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A) 1, 6, 9; 3, 4, 7; 2, 5, 8
B) 3, 1, 6; 4, 5, 7; 2, 8, 9
C) 1, 6, 9; 3, 5, 8; 2, 4, 7
D) 1, 4, 9; 3, 5, 7; 2, 6, 8
Correct Answer: C
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