248期：((02,04,06,07,10,18,20,21,25,27,29,32,39,44,46,48))开：20OK
249期：((02,03,04,07,09,10,13,17,18,27,28,29,34,39,42,49))开：23x
250期：((01,08,09,10,15,19,22,23,24,28,34,37,38,43,45,49))开：14x
251期：((04,07,08,09,11,13,26,28,30,31,32,33,35,39,43,45))开：30OK
252期：((02,07,08,13,14,19,21,27,31,36,41,42,44,45,46,48))开：//