293期：<<03,04,07,08,13,16,24,25,32,35,38,41,46,47,48,49>>开：47有
294期：<<06,08,09,16,18,19,25,27,31,32,34,35,36,38,41,47>>开：18有
295期：<<03,06,07,14,17,20,23,24,25,28,37,38,39,44,45,46>>开：05无
296期：<<04,08,09,12,14,20,22,23,24,25,30,33,34,41,43,47>>开：22有
297期：<<01,03,05,08,13,22,25,28,31,32,37,38,41,43,44,49>>开：44有
298期：<<01,03,04,09,16,21,23,30,31,32,33,35,36,37,42,45>>开：23有
6-5
299期：<<02,03,06,07,13,17,18,21,26,28,29,34,41,43,44,46>>开：49无