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