284期:【03,05,06,07,12,18,19,24,32,40,44,46】开(27) 准√
285期:【10,15,18,20,26,30,31,39,40,47,48,49】开(21)准√
286期:【02,06,11,13,14,17,24,25,36,37,40,42】开(45)准√
287期:【01,02,03,13,15,21,25,29,30,34,35,39】开(40)准√
288期:【06,07,08,12,15,20,24,29,30,43,44,49】开(26)准√
289期:【02,04,10,15,20,30,34,36,37,41,44,47】开(04)错×
290期:【06,13,14,17,21,28,34,35,39,40,43,47】开(?)