262期:用夫台((03+05+06+09+12+15+16+18+19+20+21+26+28+29+30+31+32+34+35+36+37+39+41+42))开:30对
263期:用夫台((02+03+06+07+09+10+12+13+14+18+23+24+25+31+32+33+35+36+39+42+43+45+47+49))开:09对
264期:用夫台((01+02+04+05+06+08+11+12+14+16+19+20+22+25+27+29+30+34+35+38+40+42+45+47))开:==?