250期:[[04,07,08,09,11,12,20,22,23,24,25,27,30,38,40,49]]开:24有
251期:[[04,05,07,12,17,21,22,25,28,30,32,35,38,43,44,49]]开:14无
252期:[[02,03,07,09,10,15,21,23,25,27,40,42,43,45,46,49]]开:36无
253期:[[06,12,14,17,18,20,21,23,28,31,35,37,39,43,44,47]]开:47有
254期:[[01,07,11,14,15,16,18,21,25,27,31,32,34,35,38,44]]开:==?