(;C[save black without KO]AB[bn]AB[cp]AB[cq]AB[cr]AB[dq]AW[eq]AW[dr]AW[er]AB[ep]AB[fp]AB[gp]AB[gq]AB[gr]AB[fr]AW[do]AW[dp]AW[eo]AW[fo]AW[ho]AW[go]AW[hp]AW[hq]AW[hr]TR[ep]TR[fp]TR[gp]TR[gq]TR[gr]TR[fr]AP[goproblems]
(;B[es];W[fs];B[gs];W[ds];B[cs];W[fs]C[Ko])
(;B[fs];W[hs]
(;B[es];W[ds];B[cs];W[gs];B[fq]C[RIGHT])
(;B[ds]C[RIGHT])))