303期：03+04+07+16+17+18+20+22+23+25+27+29+30+31+34+35+38+39+40+41+43+44+45+47【半数特围】开38准
304期：01+02+04+08+11+13+14+17+18+19+20+22+23+25+32+35+36+38+39+41+44+45+46+48【半数特围】开17准
305期：04+05+06+10+11+12+14+15+19+23+25+31+32+33+35+36+38+41+42+43+45+47+48+49【半数特围】开32准
306期：01+04+09+10+13+17+18+19+21+22+25+26+27+28+29+30+35+40+41+44+45+46+47+49【半数特围】开08错
307期：02+03+04+06+08+11+13+14+15+16+17+19+21+22+23+31+32+33+35+41+43+45+48+49【半数特围】开03准
308期：05+10+11+12+13+14+16+17+18+20+23+24+25+26+27+28+30+31+34+37+39+43+45+49【半数特围】开22错
309期：02+03+04+08+10+11+14+15+16+17+20+21+22+25+27+28+29+30+34+36+39+40+41+44【半数特围】开？？