319期：≌【24】≌《02,05,08,10,12,14,15,20,21,23,25,29,30,32,33,34,38,39,40,41,44,46,47,48》开：41对
320期：≌【24】≌《01,05,07,08,09,10,16,17,18,21,22,25,27,30,32,33,36,39,40,41,42,45,48,49》开：12错
321期：≌【24】≌《01,02,03,05,06,07,09,12,15,16,19,20,21,24,29,30,31,33,35,42,45,47,48,49》开：36错
322期：≌【24】≌《01,03,04,06,07,08,09,14,15,16,19,20,23,27,28,31,35,37,40,43,44,46,47,49》开：27对
323期：≌【24】≌《01,03,04,09,12,21,23,26,28,29,30,31,34,35,38,39,40,41,42,43,44,46,47,49》开：//