228期:半数【《02,03,04,06,08,09,12,13,14,15,17,18,21,23,26,27,29,30,34,35,36,38,42,46》】开:23准
229期:半数【《01,02,04,05,08,09,10,11,12,19,21,22,24,27,28,30,32,34,36,39,42,43,44,49》】开:38错
230期:半数【《01,04,07,08,09,11,12,13,14,15,20,21,22,23,25,33,34,35,36,38,43,44,45,47》】开:16错
231期:半数【《04,06,07,09,10,11,14,15,17,18,20,21,23,24,26,27,28,30,31,34,40,43,46,47》】开:？？？？