(;AP[goproblems]AB[br]AB[bq]AB[cq]AW[bs]AW[cr]AW[dr]AW[er]AW[dq]AB[dp]AB[do]AB[dn]AB[dm]AB[cn]AW[cm]AW[bm]AB[bl]AB[cl]AB[ck]AB[cj]AB[dk]AW[bh]AW[bi]AW[ci]AW[di]AW[dj]AW[ej]AW[ek]AW[el]AW[dl]AW[em]AW[eo]AW[en]AW[ep]AW[cp]C[Black to save all their stones](;B[bo];W[bn](;B[co]C[RIGHT])(;B[bp];W[co]))(;B[bn];W[bp])(;B[bp];W[bn];B[co];W[bo];B[cp];W[bj])(;B[co];W[bo];B[bp];W[bn];B[cp];W[bj])(;B[bj];W[bn])(;B[am];W[bp])(;B[an];W[bn])(;B[ao];W[bn])(;B[ar];W[bn])(;B[ap];W[bn]))