(;AW[br]AW[bq]AW[bp]AW[co]AW[dp]AW[dq]AW[er]AB[bo]AB[bn]AB[cp]AB[cq]AB[cr]AB[dr]C[Only two liberties! Black to play.]AP[goproblems] (;B[do];W[cn] (;B[eq];W[ep] (;B[eo]C[Black 5 threatens A and B.RIGHT]LB[cm:A]LB[fp:B]LB[do:1]LB[co:2]LB[eq:3]LB[ep:4]LB[eo:5];W[fp];B[cm];W[dn];B[en];W[dm];B[dl];W[em];B[fm];W[el]C[LadderRIGHT]) (;B[cm]C[RIGHT];W[dn];B[eo];W[fp];B[en];W[dm];B[dl];W[em];B[fm];W[el]C[RIGHT])) (;B[cm];W[dn];B[eq];W[ep];B[eo]C[RIGHT];W[fp];B[en];W[dm];B[dl];W[em];B[fm];W[el]C[RIGHT]) (;B[dn];W[cm]C[CHOICE];B[eq];W[ep];B[fq];W[ds]) (;B[eo];W[ds]) (;B[ep];W[eq] (;B[es];W[cs]) (;B[fq];W[ds]) (;B[dn];W[cm]))) (;B[dn];W[do] (;B[eq];W[ds]) (;B[bs];W[ds])) (;B[cn];W[do]) (;B[ap];W[cs]) (;B[eq];W[ds]))