306期：((04,05,06,07,10,13,17,18,24,27,31,32,36,40,43,48))开：17中中中
307期：((02,03,10,12,14,17,20,28,34,39,40,41,43,44,46,49))开：20中中中
308期：((05,06,07,11,16,19,25,28,29,32,33,36,42,45,46,49))开：39错错错
309期：((03,04,07,08,11,15,23,24,29,30,32,34,40,42,46,49))开：==？