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：88