261期：（（03,10,12,17,20,23,24,25,26,31,33,35,37,44,48,49））开：33中中中
262期：（（01,05,07,10,13,17,20,25,31,33,37,39,42,45,46,48））开：44错错错
263期：（（01,05,07,09,10,13,22,24,26,35,37,41,42,45,46,47））开：38错错错
264期：（（05,07,08,11,15,16,23,24,27,31,33,34,37,38,39,46））开：中？