《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02错
《177期》半数<<02,06,07,08,09,10,11,16,17,18,20,22,24,25,29,31,32,38,40,42,44,45,46,47>>】开14错
《178期》半数<<03,06,08,10,11,14,15,16,17,18,23,25,27,28,29,30,33,35,36,39,41,44,46,48>>】开？？