171期:半数【《01,02,04,06,09,12,13,17,18,19,20,21,22,28,29,31,36,37,39,41,43,45,47,48》】开:28准
172期:半数【《01,02,03,04,05,09,10,13,14,15,16,17,18,19,26,31,33,38,39,41,42,44,45,47》】开:44准
173期:半数【《01,03,04,07,08,09,11,14,15,16,17,19,20,25,32,33,34,38,39,42,43,46,47,48》】开:26错
174期:半数【《01,02,04,06,07,08,11,12,13,14,15,20,23,24,25,26,28,29,33,36,37,44,47,48》】开:41错
175期:半数【《04,06,07,08,10,13,17,18,21,22,23,26,27,32,33,35,36,37,38,39,40,43,45,46》】开:26准
176期:半数【《01,03,06,08,09,10,13,15,16,17,18,21,25,26,28,32,34,35,39,40,41,42,45,48》】开:10准
177期:半数【《02,07,08,09,10,11,12,14,16,17,19,22,24,25,26,28,31,32,33,35,36,39,45,47》】开:？？？？