168期:01+03+04+07+08+09+11+13+15+16+19+20+25+26+30+31+32+36+37+38+42+44+46+47【半数特围】开11准
169期:01+03+06+08+09+11+12+16+18+22+23+24+28+31+33+34+35+36+37+38+44+45+46+49【半数特围】开33准
170期:01+02+04+05+08+11+12+13+14+15+16+20+21+26+27+29+32+33+34+37+41+44+47+49【半数特围】开10错
171期:02+05+06+08+12+13+15+20+21+23+24+25+26+31+32+33+37+38+42+45+46+47+48+49【半数特围】开23准
172期:02+04+06+08+11+13+15+18+19+21+23+24+25+26+27+30+33+34+40+41+42+43+45+46【半数特围】开21准
173期:02+03+06+08+10+13+15+16+18+19+20+21+27+28+31+38+39+40+41+42+44+45+46+47【半数特围】开20准
174期:06+07+08+10+11+15+16+17+18+19+21+28+31+33+34+35+36+37+40+42+43+46+47+48【半数特围】开10准
175期:05+08+09+13+15+16+20+21+25+27+30+31+32+33+34+36+37+38+42+43+44+45+47+48【半数特围】开21准
176期:01+05+07+08+10+12+16+18+19+21+23+24+26+29+31+32+34+37+40+42+44+46+47+49【半数特围】开??