277期：≌【24】≌《02,04,07,11,15,16,19,20,21,23,25,29,32,36,37,38,39,41,42,44,45,46,47,48》开：11对
278期：≌【24】≌《03,04,05,07,08,13,16,18,19,25,27,28,29,30,32,33,34,38,39,41,43,44,46,49》开：02错
279期：≌【24】≌《01,02,06,07,08,09,11,13,16,18,19,21,22,24,27,28,35,37,40,41,42,43,44,49》开：10错
280期：≌【24】≌《01,09,11,12,13,15,16,20,21,23,24,28,31,34,36,38,39,41,42,43,44,45,46,48》开：//