017期：≡十拿九稳《01,04,06,11,12,14,19,20,22,23,25,26,28,32,34,37,39,40,43,44,45,46,48,49》开：44中
018期：≡十拿九稳《04,05,06,07,09,11,16,18,19,21,24,25,26,28,29,31,33,36,37,38,42,43,46,47》开：23错
019期：≡十拿九稳《01,02,03,05,07,09,10,14,15,17,20,22,25,26,28,29,30,32,33,35,37,41,45,46》开：27错
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：88