020期：千青[[01,02,07,09,10,11,14,16,18,19,22,23,26,28,30,33,34,35,36,39,42,45,46,49]]开：33对
021期：千青[[02,03,05,08,09,11,13,16,17,18,21,23,27,29,31,33,34,35,36,38,41,47,48,49]]开：32X
022期：千青[[01,03,04,06,12,14,16,17,20,22,23,24,25,27,29,30,31,34,37,40,42,45,47,48]]开：09X
023期：千青[[01,05,06,07,08,11,15,16,18,19,25,26,27,28,29,32,35,40,43,44,46,47,48,49]]开：//