246期：((01,03,04,05,06,09,13,14,17,23,31,33,37,39,47,48))开：06OK
247期：((02,03,04,05,06,08,10,29,31,32,34,35,39,40,46,47))开：25x
248期：((02,03,05,06,11,12,13,19,20,25,26,28,34,38,40,46))开：12OK
249期：((02,08,15,18,19,26,28,32,36,37,39,41,44,45,47,49))开：02OK
250期：((01,04,05,06,10,16,19,21,26,27,28,33,38,39,44,49))开：//