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