305期：((02,06,07,08,09,17,23,25,30,33,37,38,39,42,44,48))开：42准
306期：((01,06,07,12,15,17,23,28,31,33,35,37,39,42,45,49))开：17准
307期：((05,06,09,15,16,19,25,26,27,28,30,32,33,34,39,40))开：20错
308期：((02,05,08,12,13,25,27,28,32,33,34,35,39,41,42,49))开：39准
309期：((01,02,06,08,10,11,13,15,20,30,31,40,41,42,46,49))开：06准
310期：((05,06,08,09,15,20,24,28,30,32,34,35,38,39,40,49))开：16错
311期：((06,14,19,20,21,22,23,29,32,34,36,37,40,43,46,47))开：==？