311期:〓〓半数02,03,04,05,09,10,12,21,24,25,28,29,30,31,35,36,37,38,40,41,43,44,47,48》开37准
312期:〓〓半数03,04,08,10,11,12,14,16,18,19,20,24,26,29,32,33,34,36,42,43,44,47,48,49》开14准
313期:〓〓半数01,02,03,04,07,08,11,12,14,16,17,18,22,27,28,29,30,32,33,34,35,36,43,45》开38错
314期:〓〓半数01,07,11,12,13,14,15,17,18,19,20,24,26,27,32,35,36,37,40,41,43,44,45,48》开23错
315期:〓〓半数02,03,05,07,09,10,11,12,14,17,18,20,21,23,24,25,30,32,34,39,40,43,47,49》开？？