(;AB[bp]AB[bo]AB[dq]AB[ep]AB[eo]AW[br]AW[cr]AW[eq]AW[er]AW[gq]AW[co]AW[dp]AW[bn]AW[bm]C[Black to link up their stones.]AB[bq]AW[dm]AB[go]AB[fm]AW[ds]AP[goproblems]
(;B[cn]
(;W[cq]
(;B[cp];W[dr];B[do]C[CHOICERIGHT])
(;B[do];W[cp]))
(;W[dn]
(;B[cp];W[do])
(;B[do];W[cm]
(;B[cp]C[CHOICERIGHT])
(;B[cq]C[RIGHT]))
(;B[cq];W[do])))
(;B[do];W[cp];B[cq];W[cn]C[Black is cut.])
(;B[cp];W[do];B[dr];W[cq]C[Cut])
(;B[cq];W[cn])
(;B[dr];W[cq];B[do];W[cp])
(;B[dn];W[cn]))