244期：=【01,02,05,07,11,15,16,17,18,23,24,28,29,31,33,34,35,36,37,39,40,41,42,46】开：46准
245期：=【02,03,06,07,09,11,15,17,18,20,21,23,25,26,29,31,32,35,36,37,39,44,45,49】开：18准
246期：=【02,05,07,08,10,11,14,18,21,23,24,25,26,28,32,33,35,36,38,42,43,45,46,48】开：30错
247期：=【03,04,07,08,10,11,13,15,17,19,20,21,23,27,31,33,34,37,38,39,40,41,45,49】开：40准
248期：=【03,04,05,06,07,08,09,12,13,15,22,23,27,28,31,33,34,36,40,41,42,44,47,48】开：20错
249期：=【01,02,05,07,09,10,13,14,18,19,20,22,23,24,25,30,31,34,40,42,46,47,48,49】开：？？