《171期》半数<<02,05,06,07,10,11,12,18,19,20,21,22,23,24,29,30,32,35,36,39,41,42,44,47>>】开23准
《172期》半数<<01,03,04,05,06,10,11,13,14,17,20,22,23,26,27,29,30,31,33,34,37,47,48,49>>】开21错
《173期》半数<<01,02,06,10,11,15,16,18,19,20,21,23,24,29,31,32,33,37,40,41,43,44,45,47>>】开20准
《174期》半数<<03,06,09,12,13,15,16,17,22,25,26,27,28,30,33,35,36,40,41,42,43,45,47,48>>】开10错
《175期》半数<<04,07,11,12,14,15,16,17,19,21,22,24,25,28,31,32,33,34,39,40,42,44,46,48>>】开21准
《176期》半数<<01,05,06,08,09,12,13,14,15,16,18,20,22,26,28,29,30,36,39,41,43,45,48,49>>】开？？