(;AP[goproblems]AB[ap]AB[bn]AB[cn]AB[do]AB[dp]AB[dr]AB[ds]AB[dq]AB[em]AW[ao]AW[bo]AW[co]AW[cp]AW[cq]AW[cr]TR[ap](;B[cs];W[bs](;B[br];W[ar];B[bq]C[RIGHT])(;B[ar](;W[bq]C[CHOICE];B[aq];W[br]C[seki])(;W[br]C[Mistake by White];B[bq](;W[as];B[aq];W[bp];B[aq])(;W[bp];B[aq];W[as];B[aq])))(;B[bq];W[ar];B[br]C[RIGHT]))(;B[bq];W[br](;B[cs];W[ar];B[bs];W[aq])(;B[ar];W[as](;B[aq];W[cs])(;B[bs];W[cs])(;B[an];W[aq])))(;B[br]C[RIGHT])(;B[bs];W[cs](;B[bq];W[br](;B[an];W[ar])(;B[ar];W[as])(;B[aq];W[ar]))(;B[br];W[bq](;B[an];W[aq])(;B[aq];W[ar]))(;B[aq];W[br]))(;B[ar];W[bq](;B[aq];W[cs](;B[an];W[bs])(;B[bs];W[br])(;B[br];W[bs]))(;B[bs];W[cs](;B[aq];W[br])(;B[an];W[aq]))(;B[br];W[aq](;B[cs];W[bs])(;B[bs];W[cs])(;B[an];W[bs])))(;B[aq];W[br](;B[cs];W[bs](;B[ar];W[bq])(;B[bq];W[ar]))(;B[ar];W[cs])(;B[bs];W[cs])(;B[an];W[cs])))