270期:=【04,05,06,07,08,12,15,17,19,21,22,24,25,27,28,34,36,38,39,41,42,44,45,47】开:42准
271期:=【01,02,03,04,06,07,09,10,13,15,16,20,21,23,25,27,28,29,33,38,40,42,43,45】开:40准
272期:=【01,03,08,09,12,14,18,19,21,22,23,26,28,29,30,31,33,34,39,42,44,46,47,48】开:30准
273期:=【01,03,07,09,10,15,18,21,23,24,25,26,28,30,31,33,35,38,39,44,45,46,48,49】开:00?