250期：≌【24】≌《02,04,05,08,10,12,17,19,21,22,24,25,29,30,32,35,36,39,40,41,42,44,46,47》开：12对
251期：≌【24】≌《04,07,10,13,15,17,18,19,21,22,24,26,28,30,31,33,34,38,39,41,43,44,47,49》开：35错
252期：≌【24】≌《04,05,06,07,08,09,12,15,16,17,19,20,23,25,28,31,32,34,35,38,39,40,48,49》开：23对
253期：≌【24】≌《01,02,04,05,06,09,12,13,14,16,18,19,21,25,30,34,38,39,41,43,44,46,47,49》开：33错
254期：≌【24】≌《01,02,03,05,07,08,12,13,14,15,19,20,28,29,30,34,37,38,39,41,42,45,46,48》开：//