019期:★《{01,02,04,05,06,07,08,10,15,16,17,19,20,22,23,24,27,28,29,30,45,46,47,49}》开06准
020期:★《{01,02,06,07,10,11,13,16,17,21,22,23,24,26,31,33,38,39,40,41,42,46,47,49}》开34错
021期:★《{01,02,03,05,08,09,11,15,16,17,18,19,22,25,26,27,29,34,35,36,38,40,44,48}》开??命中