275期:【中特②④码】(解: 单数03,13,17,27,33,35,37,41,43,45,47,49 双数 02 08 10 16 18 24 26 32 34 42 44 48开?OK
274期:【中特②④码】(解: 单数05,11,19,21,25,29,37,39,41,43,45,49 双数 02 04 06 10 12 22 24 28 30 32 38 48开龙49OK
273期:【中特②④码】(解: 单数01,05,11,15,21,25,31,33,35,39,41,47 双数 06 08 12 18 24 26 28 32 42 44 46 48开鼠41OK