(;AB[cs]AB[dr]AB[cq]AB[bq]AB[bp]AW[ao]AW[bo]AW[co]AW[cp]AW[dq]AW[eq]AW[er]AW[br]TR[br]AP[goproblems]
(;B[ar];W[bs]
(;B[ap]C[RIGHT])
(;B[cr];W[ap];B[as];W[aq]C[CHOICE])
(;B[ds];W[ap];B[cr];W[es];B[as];W[aq]C[CHOICE]))
(;B[cr];W[ar]LB[ap:a]LB[aq:b]LB[as:c]LB[bs:d]
(;B[ap];W[bs]C[CHOICE])
(;B[aq];W[ap]C[CHOICE])
(;B[bs];W[ap]C[CHOICE])
(;B[as];W[ap]C[CHOICE]))
(;B[bs];W[ar]C[]
(;B[cr];W[ap]C[CHOICE])
(;B[as];W[ap]
(;B[ds];W[aq]C[CHOICE])
(;B[cr];W[aq]C[CHOICE]))
(;B[ds];W[ap]C[CHOICE])
(;B[ap];W[cr]C[CHOICE])
(;B[aq];W[ap];B[cr];W[es]C[CHOICE]))
(;B[ds];W[ap];B[as];W[ar];B[bs];W[aq]C[CHOICE])
(;B[as];W[ar]
(;B[ap];W[cr]C[CHOICE])
(;B[bs];W[ap]C[CHOICE]
(;B[ds];W[aq]C[CHOICE])
(;B[cr];W[aq]C[CHOICE]))
(;B[aq];W[ap]C[CHOICE])
(;B[cr];W[ap]C[CHOICE])
(;B[ds];W[cr]
(;B[bs];W[es]C[CHOICE])
(;B[aq];W[ap]C[CHOICE])))
(;B[aq];W[cr]
(;B[ds];W[es]C[CHOICE])
(;B[ar];W[ds]C[CHOICE])
(;B[bs];W[ds];B[ar];W[dr]C[CHOICE])
(;B[ap];W[ar]C[CHOICE]))
(;B[ap];W[ar]
(;B[cr];W[bs]C[CHOICE])
(;B[bs];W[cr]C[CHOICE])))