015期：千青[[01,04,05,07,08,13,14,15,17,19,20,25,28,29,30,31,37,38,39,41,42,45,46,49]]开：39对
016期：千青[[01,02,03,04,07,11,13,14,16,19,20,21,24,25,28,29,30,31,34,36,38,41,45,49]]开：36对
017期：千青[[01,02,03,04,05,07,08,09,10,11,12,13,14,19,23,25,28,29,34,35,36,37,43,45]]开：04对
018期：千青[[01,02,06,07,08,09,10,13,14,20,27,28,32,33,34,38,39,41,42,43,44,45,47,49]]开：23X
019期：千青[[01,03,08,09,10,15,16,17,20,24,25,28,29,31,32,33,34,35,38,39,40,41,43,48]]开：36X
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：//