(;GM[1]CA[UTF-8]AP[GoExpert100]SZ[19]PB[Black]PW[White]BR[]WR[]EV[官子谱上卷第2题]RU[]KM[]RE[?]AW[cb]AW[cc]AW[cf]AB[da]AB[db]AB[dc]AW[dd]AB[ea]AW[eb]AW[ec]AW[ed]AB[fb]AW[fc]AB[gb]AB[gc]AW[gd]AB[hc]AW[hd]AW[he]AB[ib]AB[ic]AB[id]AW[ie]AW[jb]AW[jc]AW[jd]AB[je]AB[ke]AB[lb]AB[ld]PL[W];W[ha];B[ja];W[ka];B[ia];W[ga];B[kb];W[ca])