(;AW[bq]AW[cr]AW[ds]AB[dr]AB[er]AB[es]AB[fs]AW[fr]AW[fq]AW[gq]AW[hq]AW[ir]AB[hs]AB[gr]AB[dq]AB[dp]AB[cq]AB[co]AB[bo]AB[ao]AW[an]AW[bn]AW[cn]AW[dn]AW[do]AW[ep]C[ko is not a solution]AP[goproblems]
(;W[ar];B[bs];W[br];B[bp];W[cs];B[aq];W[ap];B[cp];W[eq];B[aq])
(;W[bs];B[ar]
(;W[aq];B[br];W[as];B[br];W[ar];B[cs])
(;W[br];B[aq];W[bp];B[cp];W[ap];B[cs]))
(;W[br]
(;B[cs]C[CHOICE]
(;W[bs];B[ar]C[CHOICE]
(;W[ap];B[aq];W[as];B[aq]
(;W[bp];B[cp])
(;W[ar];B[cp];W[eq];B[bp];W[ds];B[aq]))
(;W[aq];B[cp]
(;W[eq];B[bp]
(;W[ds]C[NOTTHIS])
(;W[hr];B[ap]))
(;W[ds]C[NOTTHIS]))
(;W[ds]C[NOTTHIS])
(;W[bp];B[cp]
(;W[ds]C[NOTTHIS])
(;W[eq];B[ap])
(;W[ap];B[as])))
(;W[ap];B[cp]
(;W[bp];B[ar];W[bs];B[as])
(;W[bs];B[ar]
(;W[bp];B[as])
(;W[eq];B[bp];W[ds];B[aq]))
(;W[as];B[ar]
(;W[aq];B[ds];W[eq];B[bs])
(;W[bs];B[bp])))
(;W[as];B[ds]
(;W[ap];B[cp]
(;W[eq]C[];B[bs];W[ar]C[RIGHT])
(;W[bs];B[bp]))
(;W[aq];B[bs])
(;W[bp];B[cp]
(;W[eq];B[bs])
(;W[bs];B[ap]))
(;W[bs];B[aq];W[bp];B[cp])))
(;B[bp];W[cs]C[RIGHT]))
(;W[ap];B[br])
(;W[bp];B[br]))