021期：⑴≤02,03,05,06,07,09,10,11,13,17,20,24,26,27,33,35,36,37,40,42,43,46,47,49≥开：07准
022期：⑴≤02,03,05,06,07,08,09,10,12,15,19,20,21,22,25,29,30,33,34,35,38,45,48,49≥开：18错
023期：⑴≤01,02,03,05,06,10,12,13,15,18,19,20,21,22,23,25,26,27,35,36,37,40,47,49≥开：01准
024期：⑴≤08,09,10,12,14,15,17,20,23,26,27,29,30,32,36,39,40,41,42,43,44,46,47,48≥开：32准
025期：⑴≤03,04,05,06,07,09,10,13,17,18,19,26,27,28,29,31,33,36,38,41,43,45,47,48≥开：47准
026期：⑴≤02,05,06,09,10,11,12,13,15,16,18,19,22,23,24,27,28,30,34,42,43,46,48,49≥开：46准
027期：⑴≤01,03,07,10,11,13,14,16,19,21,22,24,26,36,37,38,41,42,43,44,45,46,47,49≥开：17错
028期：⑴≤02,03,05,10,11,14,15,16,17,18,19,21,25,26,27,28,30,31,32,33,34,35,41,44≥开：05准
029期：⑴≤02,06,07,11,13,14,15,17,19,20,21,22,23,27,29,31,32,34,37,42,43,44,46,49≥开：17准
030期：⑴≤03,05,11,12,13,15,16,18,19,22,23,24,26,28,29,30,32,33,36,37,40,45,46,48≥开：？？？