(;AB[bq]AB[bp]AB[co]AB[do]AB[eo]AB[fo]AB[gp]AB[gq]AB[gr]AB[gs]AB[dr]AW[ar]AW[br]AW[cr]AW[cq]AW[cp]AW[dp]AW[ep]AW[fq]AW[fr]TR[dr]AP[goproblems]
(;B[fp]
(;W[er]C[CHOICE];B[es]LB[fs:A]LB[eq:B]C[RIGHT])
(;W[fs];B[eq]C[RIGHT])
(;W[es];B[er]LB[eq:A]LB[fs:B]C[RIGHT]
(;W[eq];B[fs]
(;W[dq];B[ds]C[RIGHT])
(;W[ds];B[cs]C[RIGHT]))
(;W[fs];B[eq]C[RIGHT]))
(;W[eq];B[fs]C[RIGHT]
(;W[cs];B[ds];W[es];B[er]C[RIGHT])
(;W[es];B[er];W[cs];B[ds]C[RIGHT])))
(;B[fs];W[er];B[es];W[dq];B[ds];W[fp]))
