245期：<<01,02,03,05,08,09,15,18,19,24,25,27,32,38,40,42>>开：25有
246期：<<05,10,11,12,13,15,30,36,40,41,43,44,46,47,48,49>>开：43有
247期：<<01,03,04,05,07,11,18,19,26,27,29,33,37,44,46,49>>开：47无
248期：<<01,04,09,16,22,28,29,32,36,37,40,42,44,46,47,49>>开：46有
249期：<<02,11,12,17,18,24,26,27,29,32,33,40,42,45,48,49>>开：02有
250期：<<01,03,06,09,10,12,19,21,22,25,33,35,38,41,45,48>>开：12有
6-5
251期：<<03,06,07,10,12,19,21,23,26,27,32,33,35,40,41,47>>开：05无
252期：<<03,10,12,14,15,18,22,24,25,26,27,30,36,38,41,48>>开：15有
253期：<<01,06,10,11,14,15,19,21,25,28,29,31,35,36,41,45>>开：01有
254期：<<01,02,06,07,11,17,18,24,25,33,34,35,37,41,43,46>>开：09无
255期：<<01,02,04,09,14,15,18,19,24,26,37,38,44,46,48,49>>开：38有
256期：<<02,03,08,09,10,11,12,24,27,31,32,33,35,37,41,43>>开：11有
257期：<<02,05,06,08,16,19,20,22,26,27,31,35,36,39,43,44>>开：22有
7-5
258期：<<03,04,06,08,09,10,13,15,17,19,20,24,33,34,35,48>>开：24有
