250期：＝24码＝【05,08,09,11,12,13,19,21,22,23,26,28,29,31,33,35,37,40,41,43,46,47,48,49】开：12中
251期：＝24码＝【02,04,05,06,07,13,14,15,16,20,22,24,25,26,27,31,33,37,39,40,41,45,46,47】开：35错
252期：＝24码＝【02,03,06,07,08,11,13,14,15,18,19,20,22,26,27,29,32,34,40,41,44,45,48,49】开：？？
