(;AB[bs]AB[br]AB[bq]AB[cq]AB[dq]AB[ep]AB[eo]AB[fo]AB[go]AB[ho]AB[io]AB[ip]AB[iq]AB[ir]AB[is]AW[hs]AW[hr]AW[hq]AW[hp]AW[fp]AW[er]AW[dr]AW[cr]AW[cs]C[black to kill]AP[goproblems]
(;B[gq]
(;W[gr]C[CHOICE]
(;B[fr];W[fq]
(;B[fs]
(;W[es]C[CHOICE]
(;B[gp];W[gs]
(;B[fr];W[fs]C[CHOICE];B[eq]C[RIGHT])
(;B[eq];W[fr]))
(;B[eq];W[gs]))
(;W[gp];B[eq]C[RIGHT]))
(;B[eq];W[fs])
(;B[gp];W[fs]))
(;B[fq];W[fr])
(;B[fs];W[fr]
(;B[es];W[gp])
(;B[gp];W[es]))
(;B[eq];W[fr])
(;B[gp];W[fr]))
(;W[fr];B[gr];W[gp];B[fq]C[RIGHT])
(;W[gp];B[fq];W[fr];B[gr]C[RIGHT]))
(;B[fr];W[fq]
(;B[fs];W[eq]
(;B[gp];W[gq]
(;B[es];W[gs]C[seki])
(;B[gs];W[es]))
(;B[es];W[gp]C[seki]))
(;B[eq];W[fs])
(;B[gp];W[fs])
(;B[gr];W[eq]
(;B[gp];W[gq])
(;B[es];W[gs]))
(;B[es];W[fs];B[gs];W[gr]))
(;B[fq];W[fr]
(;B[gq];W[gr])
(;B[gr];W[gq])
(;B[es];W[fs])
(;B[fs];W[es]))
(;B[es];W[fr]
(;B[gp];W[fs])
(;B[fq];W[fs])
(;B[fs];W[gp]))
(;B[gp];W[fr])
(;B[gr];W[fq]
(;B[fr];W[eq])
(;B[eq];W[fr])
(;B[gp];W[gq]
(;B[fr];W[fs])
(;B[eq];W[fr])))
(;B[eq];W[fq])
(;B[fs];W[fr]
(;B[es];W[gp])
(;B[gp];W[es])))