(;AP[goproblems]AB[cr]AB[dr]AB[bq]AB[bp]AB[bo]AB[bn]AB[cm]AB[cl]AB[dl]AB[el]AB[fk]AB[gk]AB[hk]AB[il]AB[im]AB[in]AB[io]AB[gp]AB[hp]AB[fq]AB[eq]AW[cq]AW[dq]AW[cp]AW[co]AW[cn]AW[fp]AW[ep]AW[go]AW[hn]AW[hm]AW[gl]AW[fm]AW[fn]AW[em]AW[dm]AB[dn]TR[cn]TR[co]TR[cp]TR[dq]TR[cq]C[Black to capture all the white stones.](;B[eo];W[fo](;B[dp];W[do];B[dp]C[RIGHT])(;B[do];W[dp])(;B[ho];W[dp])(;B[hl];W[dp])(;B[fl];W[dp]))(;B[dp];W[eo];B[do];W[en]C[Black didn't capture all the white stones.])(;B[do];W[dp])(;B[en];W[do])(;B[fo];W[eo]))