266期:[[02,03,05,08,10,14,15,22,29,30,34,37,40,44,45,49]]开:05有
267期:[[02,04,10,11,14,15,17,23,24,34,36,39,42,43,46,48]]开:45无
268期:[[05,17,19,20,25,29,30,32,34,36,38,39,41,42,44,47]]开:27无
269期:[[08,09,11,13,14,17,20,21,23,25,30,31,32,46,48,49]]开:48有
270期:[[04,11,13,14,16,20,23,25,28,29,30,31,34,41,42,46]]开:==?