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24准
259期:〓28〓01+03+04+05+06+07+09+10+14+16+20+23+24+26+27+28+29+30+34+35+37+39+40+41+44+45+48+49〓,开38错
260期:〓28〓02+03+06+07+08+11+13+14+16+18+19+20+21+23+27+29+30+31+32+34+36+38+40+41+42+44+46+49〓,开41准
261期:〓28〓05+06+08+09+10+11+13+15+17+18+20+22+23+25+26+28+31+32+33+34+35+36+38+39+43+44+48+49〓,开25准
262期:〓28〓01+03+04+07+08+09+10+11+12+15+16+18+19+20+21+22+25+31+36+37+39+40+41+44+45+46+48+49〓,开03准
263期:〓28〓01+04+05+06+07+08+13+14+15+16+18+19+21+23+24+30+31+33+36+37+40+41+42+43+46+47+48+49〓,开21准
264期:〓28〓01+04+06+07+08+09+10+12+15+17+18+20+21+22+24+26+27+31+34+38+39+40+41+44+45+46+48+49〓,开27准