269期：⑴≤01,02,03,04,05,06,07,13,14,15,17,18,23,27,28,31,33,37,40,42,44,47,48,49≥开：48准
270期：⑴≤03,05,06,07,12,13,19,20,22,25,26,27,32,33,36,37,39,40,42,43,44,46,47,48≥开：30错
271期：⑴≤03,04,07,09,14,16,17,18,21,23,25,26,27,28,31,32,34,35,38,40,41,42,45,46≥开：45准
272期：⑴≤01,03,04,05,06,09,13,15,17,18,24,26,27,28,30,34,36,37,39,40,43,45,46,47≥开：46准
273期：⑴≤01,04,06,08,10,12,13,14,17,19,20,21,24,27,32,34,36,37,38,39,43,45,46,48≥开：27准
274期：⑴≤04,05,06,07,11,15,16,18,19,20,21,23,26,30,31,32,34,35,37,40,42,45,47,48≥开：23准
275期：⑴≤01,03,05,09,11,15,16,17,20,23,26,28,30,31,33,34,35,36,38,41,43,44,46,48≥开：05准
276期：⑴≤01,02,05,08,09,13,17,19,21,22,23,26,27,29,31,32,34,36,39,41,45,47,48,49≥开：31准
277期：⑴≤02,09,11,12,13,14,15,16,17,18,19,20,21,22,23,26,29,30,32,38,39,42,43,46≥开：05错
278期：⑴≤05,07,10,11,12,18,19,21,24,27,29,30,31,32,35,36,37,38,41,42,44,45,46,48≥开：35准
==========10中8==========
279期：⑴≤02,03,05,06,09,10,12,13,15,16,19,20,24,25,27,28,30,31,42,43,45,47,48,49≥开：22错