311期：＝24码＝【03,04,05,06,07,11,13,15,16,17,18,25,26,27,28,32,34,37,39,40,42,44,48,49】开：34中
312期：＝24码＝【01,04,05,06,08,09,10,11,12,14,15,17,18,20,23,25,27,28,31,32,33,39,44,47】开：38错
313期：＝24码＝【01,05,06,08,09,12,13,18,20,22,23,24,28,30,34,35,37,38,40,41,42,45,46,48】开：？？