253期:〓24〓05+07+08+10+11+15+17+19+20+21+22+24+25+27+28+31+33+38+39+40+45+47+48+49〓,开47准
254期:〓24〓01+05+07+14+16+17+18+19+22+24+25+27+28+29+30+31+34+37+39+40+42+43+44+49〓,开27准
255期:〓24〓02+03+06+13+14+18+22+25+26+27+29+30+31+32+33+35+36+38+39+40+41+43+47+48〓,开?