(;AB[br]AB[cq]AB[dr]AW[cr]AW[bp]AW[cp]AW[dp]AW[eq]AW[er]AW[gr]AW[eo]C[Black to live.]AP[goproblems]
(;B[bq]
(;W[aq]
(;B[ar]C[CHOICERIGHT])
(;B[cs];W[ar])
(;B[bs];W[ar]))
(;W[cs]
(;B[bs]C[CHOICERIGHT])
(;B[ds];W[aq]
(;B[ar];W[bs])
(;B[bs];W[ar]))
(;B[aq];W[dq])))
(;B[cs];W[ar]
(;B[aq];W[bq]
(;B[as];W[dq])
(;B[dq];W[ap]))
(;B[bq];W[aq])
(;B[as];W[aq]))
(;B[dq];W[ar]
(;B[bq];W[aq])
(;B[aq];W[bq]
(;B[cs];W[ap])
(;B[as];W[ds])))
(;B[ar];W[bq]
(;B[cs];W[dq])
(;B[bs];W[dq])
(;B[dq];W[ds])
(;B[ds];W[dq]))
(;B[bs];W[ar]
(;B[aq];W[bq])
(;B[bq];W[aq]))
(;B[ds];W[ar]
(;B[aq];W[bq])
(;B[bq];W[aq]))
(;B[aq];W[bq];B[cs];W[dq]))