020期：≡十拿九稳《01,02,03,07,11,13,14,15,16,19,21,22,23,24,28,31,33,36,37,38,42,43,44,47》开：16中
021期：≡十拿九稳《07,08,09,10,11,14,15,16,18,19,20,27,28,33,34,35,38,42,43,44,45,46,47,48》开：39错
022期：≡十拿九稳《01,02,03,05,08,12,13,16,17,25,28,29,30,31,33,35,37,39,40,41,42,43,47,48》开：40中
023期：≡十拿九稳《01,02,03,08,09,12,16,17,19,20,21,22,24,27,28,31,32,33,34,36,37,38,42,43》开：88