277期：≌【24】≌《02,06,08,09,12,15,17,18,19,20,21,25,28,29,31,33,34,35,37,41,42,45,47,49》开：47对
278期：≌【24】≌《02,03,05,06,08,09,11,12,15,17,19,22,24,25,28,32,33,36,41,42,43,44,45,47》开：41对
279期：≌【24】≌《03,04,05,07,09,12,13,14,15,16,18,22,25,27,29,30,33,35,36,37,39,42,43,48》开：04对
280期：≌【24】≌《02,03,04,05,10,11,14,16,17,18,21,25,28,31,33,34,36,37,38,41,42,43,44,48》开：20错
281期：≌【24】≌《04,06,08,10,12,13,15,18,19,28,29,31,33,34,35,36,37,39,40,42,43,44,47,49》开：43对
282期：≌【24】≌《01,03,04,05,13,17,18,19,20,22,23,24,25,26,30,33,34,35,36,38,39,43,44,49》开：34对
283期：≌【24】≌《01,03,06,07,08,11,14,16,17,19,20,21,23,25,27,28,30,34,35,36,40,41,42,48》开：//