260期:〓24〓03+04+05+08+11+13+15+20+22+23+25+26+27+28+29+30+31+32+34+35+36+37+40+47〓,开40准
261期:〓24〓01+02+03+04+05+11+12+16+19+20+24+28+32+33+34+36+37+39+40+42+43+44+46+49〓,开01准
262期:〓24〓02+03+04+06+07+11+12+16+18+21+22+27+29+30+31+34+37+38+39+41+43+45+46+49〓,开44错
263期:〓24〓01+02+03+05+06+07+08+10+14+16+19+21+22+27+28+30+31+32+35+37+41+42+43+47〓,开13错
264期:〓24〓02+05+06+12+13+14+16+17+18+21+25+26+27+29+34+35+36+37+40+41+43+45+48+49〓,开?