272期：≌【24】≌《01,03,04,06,07,08,09,10,12,13,14,16,22,23,24,28,29,33,34,36,37,42,48,49》开：36对
273期：≌【24】≌《02,07,08,09,11,13,16,17,23,24,31,32,34,35,37,39,41,42,44,45,46,47,48,49》开：04错
274期：≌【24】≌《05,07,08,11,13,16,17,18,19,20,23,24,30,31,32,33,37,38,39,40,41,43,45,48》开：44错
275期：≌【24】≌《01,04,09,15,19,20,23,26,27,28,29,31,32,34,36,37,38,41,42,44,45,46,47,48》开：//