(;AP[goproblems]AB[aq]AB[ap]AB[cq]AB[cr]AB[dr]AB[ds]AW[ao]AW[bo]AW[cp]AW[dp]AW[dq]AW[eq]AW[er]AW[es](;B[bs];W[bq](;B[br];W[ar])(;B[ar]C[RIGHT])(;B[bp];W[ar]))(;B[bq];W[bs])(;B[bp];W[ar];B[bq];W[bs])(;B[ar];W[bs](;B[br];W[bp])(;B[bp];W[br]))(;B[br];W[bs](;B[bp];W[ar];B[as]C[ko])(;B[as];W[ar]C[If W win the ko W can play B3 or A1]))(;B[as];W[br](;B[bs];W[bq])(;B[bq];W[bs])))