170期：〓24〓01+02+04+06+11+15+16+17+18+21+22+23+24+27+28+29+30+31+33+34+39+46+47+48〓，开31准
171期：〓24〓01+02+04+05+06+11+13+14+15+16+19+20+21+22+29+31+33+34+35+36+38+43+48+49〓，开24错
172期：〓24〓01+03+05+07+10+11+12+14+17+18+22+23+25+27+29+31+32+34+35+38+44+46+47+49〓，开？