306期:特②⑧码=本期【 20+34+49+41+23+46+02+07+25+21+48+12+16+45+24+33+32+40+04+44+11+14+08+42+37+43+38+13 】=开???(对)
305期:特②⑧码=本期【 13+45+06+18+04+41+35+48+43+07+14+11+05+34+01+20+40+03+12+46+19+17+33+25+09+30+24+31 】=开蛇26(错)
304期:特②⑧码=本期【 35+47+18+30+22+19+45+14+03+16+28+17+12+27+26+01+37+46+21+15+08+10+23+13+25+06+24+49 】=开狗21(对)