(;AB[cr]AB[ds]AB[er]AB[dq]AB[cq]AB[fq]AB[fp]AB[fo]AB[bp]AB[bo]AW[fr]AW[gr]AW[gq]AW[gp]AW[eq]AW[ep]AW[dp]AW[co]AW[cl]AW[dl]AW[bl]AW[fm]AW[hn]AP[goproblems]
(;B[do];W[eo]
(;B[en];W[dn]
(;B[cp];W[do]
(;B[dm];W[cn]
(;B[cm];W[bn]
(;B[bm]C[RIGHT])
(;B[an];W[bm]))
(;B[bn];W[cm]))
(;B[cn];W[dm]))
(;B[dm];W[em]))
(;B[cp];W[en]))
(;B[cn];W[dn])
(;B[dn];W[cn])
(;B[eo];W[cn])
(;B[cp]
(;W[do]C[CHOICE])
(;W[dn]
(;B[eo];W[do])
(;B[cn];W[do];B[dm];W[en])
(;B[do];W[eo];B[en];W[do];B[dm];W[cn];B[cm];W[bn];B[bm]))))