305期：{{02,04,07,12,16,23,24,25,26,27,36,38,41,42,43,49}}开：42中啦
306期：{{02,04,06,09,11,12,14,20,24,36,40,41,42,43,46,47}}开：17x
307期：{{03,07,10,11,14,17,18,19,30,32,35,37,42,43,44,45}}开：20x
308期：{{03,07,11,13,15,17,20,21,23,28,33,37,38,39,40,41}}开：39中啦
309期：{{03,04,05,08,10,12,18,19,24,28,31,34,37,44,47,49}}开：？？
