(;AB[cs]AB[es]AB[er]AB[eq]AB[dq]AB[cp]AB[co]AB[bo]AW[ap]AW[bp]AW[cq]AW[cr]AW[dr]AW[ds]AP[goproblems]
(;B[ar]
(;W[br]C[CHOICE];B[ao];W[bq];B[bs]C[RIGHT];W[as]C[RIGHT];B[bs]C[RIGHT])
(;W[bs];B[bq]
(;W[br];B[ao];W[aq];B[bq]C[RIGHT])
(;W[as];B[ao]C[RIGHT]))
(;W[bq]
(;B[ao];W[bs])
(;B[bs];W[br];B[as];W[aq];B[bs];W[as];B[ar]C[ko])))
(;B[ao]
(;W[bq]C[CHOICE]
(;B[ar];W[bs])
(;B[br];W[bs];B[ar]C[seki]))
(;W[ar];B[bq];W[bs];B[aq])
(;W[br];B[ar];W[bq];B[bs];W[as];B[bs]))
(;B[br];W[bq]
(;B[ar];W[bs];B[ao]C[seki])
(;B[as]
(;W[bs]C[koCHOICE])
(;W[ar];B[aq];W[bs]C[ko]))
(;B[ao];W[bs];B[ar]C[seki]))
(;B[bs]
(;W[ar]C[CHOICE])
(;W[br];B[ar];W[as];B[bs];W[aq];B[ao];W[as]C[ko])))