310期特围（{01,02,06,07,08,09,10,12,14,15,16,19,25,28,32,38,40,41,42,44,46,47,48,49}）开19准
311期特围（{01,02,03,05,08,11,12,14,15,21,22,24,25,26,27,28,30,36,40,41,42,44,45,46}）开47错
312期特围（{01,02,03,04,06,09,10,13,16,21,24,25,27,28,31,33,35,36,41,42,43,46,47,49}）开？中