317期：←24码→（04,07,08,09,10,12,13,16,17,19,20,24,29,30,33,35,36,40,41,42,45,46,47,48）开：13准
318期：←24码→（01,06,07,09,11,12,14,15,17,18,21,24,25,28,30,31,32,36,37,38,42,47,48,49）开：44错
319期：←24码→（01,03,04,07,08,09,12,13,16,17,18,22,30,31,33,34,37,38,39,40,42,44,46,49）开：41错
320期：←24码→（02,03,06,07,09,10,11,12,14,16,23,27,28,29,32,33,35,39,41,43,44,47,48,49）开：？？