304期：（（01,09,10,16,17,19,21,27,29,30,37,42,43,47,48,49））开：21中中中
305期：（（01,04,05,08,10,17,20,23,28,34,35,38,39,43,46,47））开：26错错错
306期：（（01,03,06,08,14,16,20,24,29,36,38,41,44,45,47,48））开：15错错错
307期：（（05,07,16,20,21,23,29,35,36,37,38,40,41,42,44,45））开：中？