(;AP[goproblems]AB[aq]AB[ap]AB[ao]AB[bp]AB[cp]AB[co]AB[dp]AB[dn]AB[en]AB[eq]AB[gq]AB[gr]AW[bs]AW[ar]AW[bq]AW[cq]AW[bo]AW[bn]AW[cn]AW[dm]AW[cl]TR[cq]TR[bq]TR[ar]TR[bs](;B[cr];W[dr];B[dq];W[br];B[ds];W[cs];B[es];W[er];B[fs]C[RIGHT])(;B[ds](;W[dr]C[CHOICE];B[cr];W[dq])(;W[cs]C[Mistake for White];B[cr]))(;B[dr];W[cr]))