175期:半数【《01,02,03,05,06,07,08,09,10,14,15,20,24,25,29,31,34,35,36,38,40,42,48,49》】开:40准
176期:半数【《01,02,05,10,11,12,13,14,18,19,20,21,24,26,27,29,32,34,35,38,39,40,44,47》】开:03错
177期:半数【《01,04,05,09,10,12,14,15,16,19,20,21,23,24,28,30,33,34,37,40,41,44,45,47》】开:11错
178期:半数【《01,04,06,07,08,12,14,17,18,19,24,26,27,28,29,30,33,36,37,41,43,44,45,47》】开:？？？？