(;AP[goproblems]AW[bq]AW[cq]AW[dp]AW[fp]AW[gq]AW[hq]AW[fn]AW[en]AW[dm]AW[dl]AW[bm]AB[cp]AB[bo]AB[cn]AB[dn]AB[em]AB[fm]AB[gn]AB[go]AB[gp]TR[dn]TR[cn]TR[bo]TR[cp]SQ[fm]SQ[em]SQ[gn]SQ[go]SQ[gp]C[connect groups](;B[ep](;W[eq](;B[eo]C[RIGHT])(;B[fo];W[eo])(;B[do];W[eo]))(;W[eo](;B[eq](;W[do](;B[dq]C[RIGHT])(;B[fq];W[dq])(;B[fo];W[dq])(;B[co];W[dq]))(;W[dq](;B[do]C[RIGHT])(;B[fo];W[do])(;B[fq];W[do])))(;B[do];W[eq])(;B[fo];W[eq])))(;B[fo];W[eo])(;B[eo];W[fo](;B[ep];W[fq](;B[dq];W[eq];B[do];W[dr])(;B[eq];W[er]))(;B[fq];W[ep])(;B[eq];W[fq]))(;B[do];W[ep]))