329期:半数【《05,07,08,09,11,16,17,18,19,20,22,23,24,25,27,28,31,33,37,42,45,46,48,49》】开:17准
330期:半数【《02,03,06,08,10,12,16,17,19,21,22,23,24,27,29,30,33,35,38,39,40,43,44,45》】开:36错
331期:半数【《04,07,08,10,11,13,14,15,16,20,21,23,25,26,27,28,29,31,32,36,38,41,43,48》】开:？？？？