310期：24码→02,03,04,06,08,11,12,16,17,21,25,27,31,33,34,36,38,39,40,41,42,46,47,48←开：04中
311期：24码→01,02,04,08,10,12,16,20,21,22,23,25,27,29,30,32,33,34,37,38,46,47,48,49←开：21中
312期：24码→03,05,06,07,08,10,11,13,14,16,19,25,27,29,30,31,32,34,36,40,44,47,48,49←开：？？