286期：（（01,07,12,13,19,21,22,26,28,30,31,38,39,43,46,49））开：01中中中
287期：（（04,05,08,09,12,13,14,16,18,21,26,27,34,36,37,46））开：47错错错
288期：（（03,04,08,12,14,17,22,28,29,30,32,36,37,38,41,42））开：48错错错
289期：（（04,06,07,13,14,15,16,17,21,26,27,34,40,47,48,49））开：中？