315期：{{01,02,04,07,09,13,14,15,21,25,27,30,31,44,45,48}}开：31准
316期：{{02,09,13,15,17,23,26,27,29,30,33,34,35,40,43,44}}开：26准
317期：{{03,05,07,08,11,12,13,18,20,23,28,31,32,37,38,43}}开：39错
318期：{{01,06,08,11,12,13,14,20,22,25,26,30,32,33,38,49}}开：28错
319期：{{03,05,06,07,08,16,17,18,25,29,30,31,32,43,45,48}}开：43准
320期：{{02,05,06,12,17,18,25,27,28,36,39,42,44,45,47,48}}开：39准
321期：{{03,09,12,15,21,22,26,28,30,33,35,36,38,41,45,48}}开：36准
7中5
322期：{{02,05,11,15,18,20,21,27,29,30,31,33,35,43,45,46}}开：27准
323期：{{03,09,10,12,15,23,28,31,32,33,37,41,44,45,46,47}}开：16错
324期：{{02,11,13,14,15,17,19,25,32,36,37,38,39,44,45,47}}开：15准
325期：{{03,04,07,10,12,15,19,21,26,29,32,34,40,42,48,49}}开：19准
326期：{{04,05,09,11,12,14,16,17,19,20,21,22,33,35,44,49}}开：19准
327期：{{02,05,06,08,15,21,23,30,33,34,35,36,43,44,48,49}}开：21准
328期：{{01,06,10,15,18,19,20,22,25,26,29,36,41,43,44,46}}开：45错
7中5
329期：{{01,05,08,09,11,13,16,19,22,26,28,29,34,41,44,45}}开：39错