311期特围（{01,08,12,13,14,15,16,17,19,21,23,26,27,30,35,37,38,39,40,41,44,45,47,49}）开21准
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48错
313期特围（{01,04,05,07,09,11,12,13,14,16,19,20,22,23,25,27,29,30,32,37,38,40,41,46}）开？中