(;AB[br]AB[bq]AB[bp]AB[bo]AB[dn]AB[en]AB[cn]AB[fn]AB[go]AB[hp]AB[gq]AB[fq]AB[hr]AW[co]AW[do]AW[eo]AW[ep]AW[cp]AW[cq]AW[dq]AW[dr]AW[fr]C[black to kill]AW[hq]AW[ip]AW[iq]AW[ir]AW[io]AW[fo]AB[gn]AP[goproblems]
(;B[fs]
(;W[gs]C[CHOICE]
(;B[es]
(;W[er];B[gr]C[CHOICERIGHT])
(;W[gr];B[er]C[RIGHT]))
(;B[gr];W[es]
(;B[eq];W[hs])
(;B[hs];W[eq]C[ko]))
(;B[er];W[es])
(;B[eq];W[gr]))
(;W[gr];B[er];W[hs];B[eq]C[RIGHT])
(;W[es];B[gs]C[RIGHT]))
(;B[gr];W[fs]
(;B[gs];W[eq]
(;B[ds];W[cs])
(;B[es];W[er]))
(;B[eq];W[er];B[ds];W[hs])
(;B[er];W[eq])
(;B[ds];W[cs]
(;B[er];W[eq])
(;B[eq];W[er];B[cr];W[hs])
(;B[gs];W[eq])
(;B[cr];W[eq]
(;B[es];W[er];B[ds];W[hs])
(;B[bs];W[hs]
(;B[gs];W[gp])
(;B[er];W[gs]))))
(;B[gp];W[ds]))
(;B[gs];W[gr];B[er];W[hs])
(;B[eq];W[gr])
(;B[es];W[gr])
(;B[er]
(;W[gs]C[For those, who thinks that, this move is weird, see side variations in the 'navigate' mode.CHOICE]
(;B[gr];W[es]C[ko])
(;B[eq];W[es]
(;B[hs];W[gp]
(;B[fp];W[is])
(;B[gr];W[fp]
(;B[fs];W[ho])
(;B[ho];W[is])))
(;B[gr];W[hs]C[ko]))
(;B[es];W[eq]))
(;W[gr];B[fs])
(;W[eq];B[fs];W[es];B[gs]C[RIGHT])))