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1 I' Z$ x- }2 W* C h- U( A
自己猜的3+3+3+3,不知道是否可行
2 ?; s: ] A: v! }; l+ R车头(前):
" }/ _) |. Q* ^white:1,4,7,10
! f3 i" t, z7 iblack:2,3,5,6,8,9,11,12
& L, _3 }7 ?. b5 j/ X车厢:
! ?: b9 v# ~* h9 p& Q* n7 a6 }0 X, p7 jwhite:2,5,8,11% \( F% l+ O0 c
black:1,3,4,6,7,9,10,12' p( i$ z- {; n* p+ Z, ]' F! Y
车头(后): g8 r5 t+ b, Z9 y
white:3,6,9,12) i2 ]" J3 c5 ?, H- f) I# J
black:1,2,4,5,7,8,10,11 |
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