272期：（（08,10,13,22,23,24,26,30,33,34,35,38,39,41,46,47））开：23中中中
273期：（（02,03,06,07,10,12,13,20,27,28,29,30,33,34,45,49））开：05错错错
274期：（（02,04,05,10,12,16,23,24,29,30,33,34,37,40,41,49））开：24中中中
275期：（（01,04,12,13,21,22,24,25,30,34,36,37,41,44,46,47））开：31错错错
276期：（（02,04,05,08,10,11,13,14,16,22,25,26,29,39,48,49））开：中？