017期【07,08,18,30,48,01,12,24,35,43,03,09,14,15,20,23,29,32,33,36,38,40,42,44】开23对
018期【11,15,29,40,44,13,20,37,41,48,04,08,12,16,21,27,31,36,42,43,47,49,01,02】开47对
019期【15,23,43,33,35,38,42,45,46,49,03,10,12,13,14,21,24,28,31,37,39,41,44,47】开17错
020期【18,22,31,05,06,29,36,40,48,07,11,13,15,16,20,23,27,28,38,39,43,44,45,46】开00对