317期：＜24码＞（02,04,05,06,08,09,10,11,15,19,20,23,24,25,26,28,29,36,40,41,42,43,44,48）开：24对
318期：＜24码＞（02,03,07,09,12,13,14,15,17,18,21,22,24,25,27,28,30,37,38,40,41,44,46,47）开：08错
319期：＜24码＞（03,04,05,09,10,12,13,14,19,20,21,22,23,25,26,27,28,29,30,31,34,41,44,49）开：05对
320期：＜24码＞（01,02,05,06,07,09,10,13,15,16,17,18,20,21,22,24,28,30,31,33,35,40,46,47）开：42错
321期：＜24码＞（02,05,06,07,08,09,10,11,12,15,18,19,21,28,29,37,38,39,40,42,44,45,47,48）开：00
