021期：≡十拿九稳《03,05,06,07,08,09,13,14,15,16,18,19,21,24,26,28,29,31,32,35,38,44,47,49》开：07中
022期：≡十拿九稳《06,08,09,10,11,12,15,19,20,21,22,23,24,29,30,31,33,35,36,37,39,44,46,49》开：18错
023期：≡十拿九稳《02,04,05,07,10,11,14,15,17,20,21,23,29,30,32,37,38,40,42,43,44,46,47,49》开：01错
024期：≡十拿九稳《01,02,03,04,05,08,09,10,14,19,20,21,22,25,27,29,31,33,35,36,39,42,44,45》开：88