(;AB[br]AB[cq]AB[cp]AB[bo]AB[ap]AW[dr]AW[er]AW[dp]AW[eo]AW[co]AW[cn]AW[bn]AW[an]AP[goproblems]
(;B[aq];W[ao];B[bp];W[cr]
(;B[bs]LB[cs:A]C[RIGHT])
(;B[cs]C[RIGHT])
(;B[as]C[RIGHT]))
(;B[cr]
(;W[cs]C[CHOICE];B[bs];W[ar];B[aq];W[bp])
(;W[ar]C['White lives because of black's mistake'];B[aq];W[bp];B[as];W[ao];B[cs]C['White lives because of black's mistake'])))