(;AB[fp]AB[dp]AB[cq]AB[bq]AW[bp]AW[eq]AW[gq]AW[hr]AW[hp]AW[ho]AW[gn]AW[en]AW[dm]AW[cn]AW[bn]AP[goproblems] (;B[bo] (;W[dr]C[CHOICE];B[ap];W[br];B[cr];W[cs];B[bs];W[as];B[ar];W[aq]C[RIGHT]) (;W[co];B[cp] (;W[ao];B[er]C[RIGHT]) (;W[dr];B[ap];W[br];B[cr];W[cs];B[bs];W[as];B[ar];W[aq]C[RIGHT]))) (;B[fr];W[er];B[fq];W[ep];B[eo];W[fo];B[do];W[dr]) (;B[er];W[dr];B[fr];W[dq];B[fq];W[ep];B[eo];W[do]) (;B[cp];W[dr];B[bo];W[cr]))