302期:[[01,03,04,05,11,16,26,29,30,33,35,36,39,40,41,48]]开:33有
303期:[[03,07,12,15,17,19,21,23,24,31,32,33,35,40,41,48]]开:40有
304期:[[02,10,12,15,16,19,20,22,26,29,30,39,42,43,45,48]]开:18无
305期:[[02,04,05,06,09,10,12,18,20,22,25,26,27,40,45,46]]开:20有
306期:[[01,04,05,07,08,14,21,28,33,34,35,36,41,45,46,47]]开:38无
307期:[[01,03,04,05,08,10,15,17,24,29,31,32,35,38,47,49]]开:32有
308期:[[02,04,06,07,12,14,19,20,25,26,28,31,33,37,39,49]]开:==?