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