272期：（（02,05,07,08,14,16,19,20,28,29,31,33,34,44,45,49））开：34中中中
273期：（（03,04,09,11,12,13,17,19,20,28,32,38,39,40,42,44））开：42中中中
274期：（（01,02,05,16,22,23,28,29,32,34,36,38,45,46,48,49））开：08错错错
275期：（（04,08,15,17,18,19,22,23,26,27,30,31,35,39,45,48））开：24错错错
276期：（（07,10,13,15,16,18,22,23,32,35,36,38,39,40,46,47））开：中？