291期:用夫台((02+03+05+08+09+11+15+19+21+22+23+25+26+28+32+34+36+37+39+40+42+46+48+49))开:39对
292期:用夫台((01+05+07+09+12+13+16+18+19+21+23+24+28+29+30+31+33+34+39+41+42+46+48+49))开:22X
293期:用夫台((01+05+06+07+09+11+12+15+16+23+26+28+29+30+31+36+37+38+40+42+45+46+48+49))开:==?