(;AB[bs]AB[br]AB[cq]AB[cp]AB[co]AB[cn]AW[bm]AW[cm]AW[dn]AW[do]AW[dp]AW[dq]AW[dr]AW[cr]AW[bo]TR[bo]AP[goproblems](;B[bn];W[an](;B[ap];W[ao];B[bp];W[am](;B[aq]C[RIGHT])(;B[ar]C[RIGHT]))(;B[bp];W[ap]C[Ko]))(;B[bp];W[ap](;B[aq];W[an](;B[ao]C[Ko for life.])(;B[bn];W[bq]))(;B[bn];W[an]C[Ko for life.]))(;B[ap];W[bp];B[bn];W[bq]))