286期:[[06,08,12,13,14,19,20,22,26,32,33,34,40,45,46,49]]开:45有
287期:[[06,13,14,19,20,21,24,25,28,29,32,34,36,37,46,48]]开:40无
288期:[[04,06,10,13,15,20,23,31,32,34,35,38,42,44,45,46]]开:26无
289期:[[03,04,10,12,13,14,15,17,23,25,26,35,39,42,43,45]]开:04有
290期:[[03,04,06,11,12,14,16,18,22,24,25,26,27,29,31,49]]开:11有
291期:[[01,03,05,12,14,18,25,26,28,30,34,38,39,40,44,45]]开:==?