246期：=【02,04,06,08,09,10,11,13,16,19,22,23,25,26,28,30,31,32,35,36,38,39,41,44,45,47,48,49】开：32准
247期：=【03,04,05,08,09,13,14,16,17,18,20,22,23,26,27,28,30,31,32,33,36,40,41,43,44,46,48,49】开：27准
248期：=【02,04,05,07,09,12,13,14,15,16,17,20,21,22,24,25,27,29,31,32,35,36,39,40,41,42,44,46】开：03错
249期：=【01,02,03,05,06,09,10,11,17,20,21,22,23,24,25,26,32,33,34,35,37,38,39,40,41,42,45,49】开：？