296期:用夫台((02+04+08+09+11+14+15+18+20+23+24+25+26+31+33+35+37+39+40+43+44+45+47+48))开:23对
297期:用夫台((04+05+08+14+15+17+20+24+27+28+29+30+31+33+34+35+36+38+39+40+42+43+47+49))开:13X
298期:用夫台((01+02+03+06+07+08+10+12+14+15+16+17+18+20+22+26+30+33+35+38+39+41+42+48))开:==?