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自己猜的3+3+3+3,不知道是否可行
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white:1,4,7,104 g+ c+ N. `* F# F: H+ {% G6 {8 \
black:2,3,5,6,8,9,11,127 m& e5 b+ d, J0 G2 j
车厢:& ?7 d5 F+ X/ c8 z
white:2,5,8,11
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车头(后)3 O9 K( l: Z: g/ s) z8 u- W9 N
white:3,6,9,12
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