(;AB[br]AB[bq]AB[bp]AB[cp]AB[dq]AB[dr]AW[ap]AW[ao]AW[co]AW[bo]AW[ep]AW[dp]AW[eq]AW[er]AW[es]AW[en]AP[goproblems]
(;W[ar];B[aq];W[cs]
(;B[cr]C[CHOICE];W[bs]C[RIGHT])
(;B[bs];W[cr]TR[cs]C[RIGHT]))
(;W[cs];B[cr]
(;W[ar];B[bs]LB[aq:A]LB[ds:B]C[A and B are miai]
(;W[aq];B[ds])
(;W[ds];B[aq]))
(;W[bs];B[ds];W[ar];B[as];W[bs];B[aq]))
(;W[aq];B[ar]
(;W[cs];B[cr];W[ds];B[bs])
(;W[cr];B[cs];W[ds];B[cq])
(;W[bs];B[cs]
(;W[ds];B[cr])
(;W[cr];B[cq];W[ds];B[as])))
(;W[bs];B[cs];W[ar];B[aq]))
