265期：（（02,05,07,10,11,13,14,18,23,27,29,32,33,40,45,46））开：10中中中
266期：（（03,08,14,15,19,20,25,28,29,30,32,34,40,41,45,48））开：41中中中
267期：（（02,05,06,08,09,11,13,24,25,27,29,35,36,37,42,49））开：29中中中
268期：（（01,04,05,09,11,15,18,22,23,25,26,27,31,32,40,41））开：10错错错
269期：（（01,02,03,05,10,12,16,17,18,21,24,26,29,31,39,45））开：31中中中
270期：（（03,09,10,12,14,18,22,23,24,28,29,34,42,47,48,49））开：35错错错
271期：（（02,06,08,11,12,14,18,26,27,28,32,34,35,44,48,49））开：中？