002期：≌【24】≌《01,03,04,06,07,09,14,15,18,19,20,21,25,26,27,30,33,40,41,42,44,47,48,49》开：19对
003期：≌【24】≌《02,03,04,05,06,07,13,16,19,20,23,24,32,33,34,35,36,38,40,41,42,43,45,47》开：20对
004期：≌【24】≌《03,05,06,07,08,10,12,15,16,17,22,24,28,29,31,34,36,37,38,44,45,46,47,48》开：//