269期：（（07,09,10,11,13,14,19,22,28,35,36,38,39,44,47,49））开：11中中中
270期：（（01,04,07,10,11,19,20,22,26,32,34,36,39,41,45,49））开：32中中中
271期：（（04,10,14,16,18,19,20,21,26,29,30,32,33,34,36,38））开：22错错错
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：中？