277期：≌【24】≌《02,08,10,12,13,14,15,16,19,22,26,27,28,29,30,31,32,33,35,36,38,40,41,43》开：26对
278期：≌【24】≌《01,03,04,05,06,07,08,12,13,16,17,21,22,27,29,30,33,38,39,42,44,46,47,49》开：07对
279期：≌【24】≌《01,04,05,09,11,13,15,16,17,18,20,22,23,25,28,30,34,35,36,37,38,41,42,46》开：//
