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12 14 20 38 ()A.46 B.52 C.64 D.92
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12,14,20,38,() A.46 B.52 C.64 D.92
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12,14,20,38() A.46 B.38 C.64 D.92
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12,14,17,22,29,() A.38 B.42 C.40 D.46
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22, 26, 34, 38,46, ()。A.52B.58 C.64D.72
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12, 14, 20, 38, ()A.146 B.38 C.64 D.92
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16 4 12 14 20 ()。A.27B.34C.16D.38