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好不容易过了,呵呵,来组测试数据吧!

Posted by zhulin10541 at 2009-01-05 15:01:08 on Problem 2190 
?56881111X 
1?6881111X 
15?881111X 
156?81111X 
1568?1111X 
15688?111X 
156881?11X 
1568811?1X 
15688111?X 
156881111?
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