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测试数据

Posted by 14110581002 at 2015-08-21 08:12:04 on Problem 1129 
10
A:BCDEFG
B:ACGH
C:ABDH
D:ACEHJ
E:ADFIJ
F:AEGI
G:ABFHI
H:BCDGIJ
I:EFGHJ       
J:DEHI

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