(;AB[dq]AB[dp]AB[do]AB[dn]AB[cm]AB[er]AB[fr]AB[gr]AW[eo]AW[ep]AW[eq]AW[gp]AW[gq]AW[hr]AW[iq]AW[dr]C[Black to capture the marked stones]TR[cr]TR[dr]AW[cr]AP[goproblems]
(;B[bq];W[br]
(;B[ar];W[fq])
(;B[cq];W[fq]))
(;B[cq];W[br];B[bq];W[fq])
(;B[br];W[bq]
(;B[ar];W[cq])
(;B[bp];W[bs];B[ar];W[aq];B[ds];W[es])
(;B[cq];W[bs]
(;B[ds];W[ar])
(;B[ar];W[aq];B[ds];W[as];B[br];W[ar]
(;B[bp];W[es];B[fs])
(;B[es]
(;W[cs];B[bp]C[RIGHT])
(;W[bp]
(;B[cs];W[br]
(;B[bo]C[RIGHT])
(;B[cp];W[bo]))
(;B[bo];W[cs];B[cp];W[gs];B[ao];W[fq]C[])))))))