(;AB[aq]AB[ar]AB[br]AB[cr]AB[bp]AB[bo]AB[bm]AB[cm]AB[dm]AB[em]AB[fm]AB[fn]AB[gp]AB[gq]AB[go]AB[hr]AB[iq]AW[ap]AW[bq]AW[cq]AW[cp]AW[co]AB[bn]AW[cn]AW[dn]AW[en]AW[eo]AW[fo]AW[fp]AW[fq]AW[fr]AW[gr]AW[dr]AB[dp]AB[eq]C[black to kill]AP[goproblems]
(;B[dq];W[es]
(;B[cs];W[gs];B[er]C[RIGHT])
(;B[gs];W[ep]C[seki])
(;B[er];W[cs]C[])
(;B[ep];W[gs]))
(;B[gs];W[dq]
(;B[ep];W[es]C[])
(;B[er];W[ep]))
(;B[ds];W[es]
(;B[er];W[cs];B[dq];W[ds]
(;B[ao];W[ep])
(;B[gs];W[ep])
(;B[ep];W[gs]))
(;B[cs];W[dq])
(;B[gs];W[dq])
(;B[dq];W[cs]
(;B[er])
(;B[gs];W[ep])
(;B[ep];W[gs])))
(;B[er];W[dq]
(;B[ds];W[ep];B[es];W[cs];B[bs];W[fs])
(;B[ep];W[es]))
(;B[cs];W[dq];B[ep];W[es])
(;B[es];W[ds])
(;B[bs];W[dq];B[ep];W[es]))