317期：≌【24】≌《01,02,03,05,06,09,10,13,14,15,20,24,28,32,36,38,39,40,41,43,44,46,47,49》开：24对
318期：≌【24】≌《05,06,08,09,11,13,14,15,23,24,25,26,27,29,30,31,33,34,35,36,39,41,45,48》开：08对
319期：≌【24】≌《01,02,03,10,11,12,15,18,21,22,23,25,26,29,30,31,34,36,37,40,41,42,43,48》开：05错
320期：≌【24】≌《04,06,07,08,09,13,16,18,20,23,24,25,28,30,31,34,35,36,39,40,41,43,44,49》开：42错
321期：≌【24】≌《01,09,12,13,16,18,19,20,21,22,23,25,27,28,30,31,34,35,37,39,43,46,48,49》开：//