017期：<<02,05,06,17,19,20,21,25,30,32,34,39,40,41,42,43>>开：40有
018期：<<02,04,09,10,17,18,21,25,26,29,30,31,41,44,47,49>>开：10有
019期：<<02,07,10,12,15,21,25,28,29,30,31,34,35,40,43,45>>开：04无
020期：<<08,09,10,15,18,24,28,30,33,34,37,38,39,43,46,47>>开：33有
021期：<<09,14,16,17,19,20,23,27,30,34,36,37,38,41,43,45>>开：88