020期【40,24,33,41,42,43,45,02,03,05,07,09,13,14,16,17,20,26,29,30,31,35,36,37】开29对
021期【46,48,16,23,27,28,30,31,32,44,02,13,14,18,19,24,26,29,34,35,38,39,41,42】开35对
022期【34,36,37,47,15,16,21,24,30,03,05,06,10,17,19,23,27,28,29,33,38,39,40,45】开41错
023期【36,19,20,25,35,37,41,42,43,44,46,13,14,15,18,21,22,26,28,32,34,39,45,47】开00对