050期：≌【24】≌《01,02,04,07,10,11,14,17,19,21,22,23,25,27,31,33,35,38,39,40,43,46,47,48》开：40对
051期：≌【24】≌《02,05,06,07,09,18,19,20,23,24,27,32,34,35,36,38,41,42,43,45,46,47,48,49》开：28错
052期：≌【24】≌《03,04,06,07,09,11,12,13,14,15,19,20,23,24,25,30,32,33,34,37,41,47,48,49》开：22错
053期：≌【24】≌《01,03,07,09,10,11,13,15,16,17,21,22,24,26,27,28,30,35,36,41,42,44,46,48》开：//