251期：〓28〓01+02+05+08+09+10+12+14+15+16+17+19+20+21+22+24+25+27+28+30+32+33+34+35+38+43+47+49〓，开05准
252期：〓28〓02+03+05+09+12+15+16+17+18+19+23+24+25+27+28+29+30+32+33+34+35+36+37+40+41+42+44+49〓，开15准
253期：〓28〓01+02+03+04+05+08+11+12+13+14+16+17+20+21+22+23+24+27+31+32+33+36+38+39+41+45+47+48〓，开01准
254期：〓28〓03+05+07+08+12+16+17+18+19+21+23+25+27+28+29+30+31+32+34+35+36+39+40+41+42+43+44+47〓，开09错
255期：〓28〓05+06+08+09+12+15+17+18+19+22+23+24+25+27+28+29+30+33+35+36+37+38+40+41+43+44+46+47〓，开38准
256期：〓28〓03+04+05+07+08+09+10+11+17+18+19+20+21+23+25+26+29+32+33+34+35+37+39+42+44+45+47+48〓，开11准
257期：〓28〓01+03+04+07+08+09+10+11+14+15+16+18+19+22+24+26+27+28+30+31+32+33+34+36+42+43+47+48〓，开22准
258期：〓28〓01+03+05+07+08+09+10+11+12+15+19+21+22+24+28+31+32+33+34+38+39+41+43+45+46+47+48+49〓，开？
