016期：⑴≤01,03,05,06,07,12,13,14,17,19,21,23,24,28,29,30,31,32,34,36,39,44,47,49≥开：12准
017期：⑴≤02,03,04,05,06,07,10,11,13,14,15,16,18,21,27,28,29,31,34,41,42,45,46,48≥开：04准
018期：⑴≤02,03,04,07,08,09,13,14,15,16,18,20,22,23,25,26,27,28,36,40,42,46,47,49≥开：31错
019期：⑴≤01,04,05,07,08,09,10,11,13,14,15,18,20,21,24,27,29,30,34,35,39,41,42,48≥开：40错
020期：⑴≤01,02,04,06,11,12,15,17,20,22,24,25,26,30,31,33,35,36,37,39,41,42,44,47≥开：？？？