(;AP[goproblems]AB[dr]AB[er]AB[gq]AB[cq]AB[cp]AB[bq]AB[bo]AB[bn]AW[ar]AW[br]AW[cr]AW[dq]AW[dp]AW[do]AW[cn]AW[bm]AW[cl]TR[bn]TR[bo]TR[cp]TR[cq]TR[bq]C[Black to play, life his group](;B[ap];W[co];B[aq];W[an](;B[cs];W[am](;B[bs]C[RIGHT])(;B[as];W[bs];B[as]C[RIGHT]))(;B[bs];W[am](;B[cs]C[RIGHT])(;B[as];W[cs](;B[bs];W[ao])(;B[as];W[ao]))))(;B[aq];W[ap];B[cs];W[co];B[bp];W[an])(;B[cs];W[aq];B[ap];W[co];B[bp];W[an])(;B[bs];W[aq];B[ap];W[co];B[bp];W[an])(;B[as];W[aq];B[ap];W[co];B[bp];W[an])(;B[co];W[aq](;B[ap];W[an])(;B[dn];W[cm](;B[ap];W[an])(;B[en];W[an])(;B[an];W[ap]))(;B[an];W[ap])(;B[cs];W[an])(;B[bs];W[ap]))(;B[bp];W[aq](;B[cs];W[an];B[bs];W[ao])(;B[bs];W[an];B[cs];W[ao])(;B[ap];W[an])(;B[as];W[an];B[bs];W[ao];B[cs];W[ds];B[cs];W[co]))(;B[an];W[ap](;B[aq];W[co])(;B[bp];W[aq])))