(;AB[cr]AB[cq]AW[ap]AW[bp]AW[cp]AW[dp]AW[dq]AW[dr]AW[eq]AW[fq]AW[gq]AB[er]AB[fr]AB[gr]AB[hq]AB[hp]AB[ho]AB[fo]AB[fp]AB[do]AB[co]AB[bo]AB[bm]C[black to kill]AP[goproblems]
(;B[ds]
(;W[es]C[CHOICE]
(;B[bs];W[cs]
(;B[bq]
(;W[ar]C[CHOICE]
(;B[br]C[RIGHT])
(;B[ds];W[br]
(;B[fs];W[aq]
(;B[hr];W[as])
(;B[cs];W[as])
(;B[es];W[as]))
(;B[cs];W[aq];B[fs])))
(;W[br]C[];B[ar];W[aq];B[br];W[as];B[br]C[RIGHT]))
(;B[br];W[bq]C[];B[ds]C[ko])
(;B[ar];W[bq]))
(;B[fs];W[bs]
(;B[br];W[ar]C[]
(;B[bq];W[aq])
(;B[cs];W[bq]C[ko])
(;B[hr];W[bq])
(;B[es];W[bq];B[cs];W[hr]C[ko]))
(;B[cs];W[br]
(;B[hr];W[bq];B[es];W[ar])
(;B[bq];W[aq])
(;B[ir]C[NOTTHIS])
(;B[es];W[bq]
(;B[hr])
(;B[ar];W[hr]))
(;B[hs]C[NOTTHIS]))
(;B[ar];W[br]
(;B[bq];W[aq])
(;B[cs];W[bq]))
(;B[bq];W[br])
(;B[hr];W[br]
(;B[bq];W[aq])
(;B[cs])))
(;B[cs];W[bs]
(;B[br];W[ar]C[ko])
(;B[fs])
(;B[hr];W[br];B[fs])
(;B[ar];W[br];B[fs]))
(;B[bq];W[bs]
(;B[fs])
(;B[cs];W[aq])
(;B[br];W[ar])
(;B[ar];W[br]))
(;B[br];W[cs]))
(;W[bs];B[es]
(;W[cs];B[br]C[RIGHT])
(;W[br];B[cs]C[RIGHT])))
(;B[bs];W[ds]
(;B[ar];W[bq])
(;B[bq];W[ar];B[br];W[aq]C[seki])
(;B[br];W[ar];B[bq]))
(;B[ar];W[bs]
(;B[cs];W[ds])
(;B[ds];W[cs])
(;B[br];W[cs]C[seki at most]))
(;B[br];W[ds]
(;B[cs];W[ar])
(;B[ar];W[bs]))
(;B[bq];W[bs]
(;B[cs];W[aq];B[ds];W[es])
(;B[ds];W[cs];B[es];W[ar])
(;B[ar];W[ds];B[br];W[cs]C[seki]))
(;B[cs];W[ds])
(;B[es];W[ds]
(;B[bq];W[br])
(;B[ar];W[br])))
