(;AB[br]AB[ar]AB[cq]AB[cp]AB[dp]AB[ep]AW[aq]AW[bq]AW[bp]AW[ao]AW[co]AW[do]AW[eo]AB[eq]AB[fq]AW[gq]AB[gr]AB[hr]AB[ir]AB[is]AW[hq]AW[iq]AW[jr]AW[js]AW[kq]AW[fp]AW[go]AP[goproblems]
(;W[fr];B[er]
(;W[cr];B[cs]
(;W[dr];B[ds]
(;W[fs];B[es]
(;W[bs];B[dq]
(;W[cr];B[gs];W[as]C[RIGHT])
(;W[dr];B[gs]C[CHOICE])
(;W[gs];B[hs]C[CHOICE])
(;W[hs];B[gs]C[CHOICE]))
(;W[as];B[dq];W[cr];B[bs]C[CHOICE]))
(;W[bs];B[dq]
(;W[cr];B[dr];W[fs];B[as]
(;W[gs];B[es];W[hs]C[RIGHT])
(;W[hs];B[es];W[gs]C[CHOICE]))
(;W[fs];B[es]
(;W[cr];B[gs];W[as]C[RIGHT])
(;W[dr];B[gs]C[CHOICE])
(;W[gs];B[hs]C[CHOICE])
(;W[hs];B[gs]C[CHOICE]))))
(;W[bs];B[dr]C[CHOICE])
(;W[fs];B[es]
(;W[dr];B[bs]C[CHOICE])
(;W[bs];B[dr]C[CHOICE]))
(;W[ds];B[dr]C[CHOICE]))
(;W[fs];B[es]
(;W[cr];B[cs]
(;W[dr];B[bs]C[CHOICE])
(;W[bs];B[dr]C[CHOICE]))
(;W[cs];B[cr]LB[dr:1]LB[hs:2]C[CHOICE]))
(;W[es];B[fs]C[CHOICE])
(;W[cs];B[cr]C[CHOICE]))
(;W[cr];B[dr]
(;W[cs];B[ds]
(;W[er];B[fr]C[CHOICE])
(;W[fr];B[fs]
(;W[er];B[es]C[CHOICE])
(;W[gs];B[er]C[CHOICE])))
(;W[fr];B[fs]
(;W[er];B[es]C[CHOICE])
(;W[gs];B[er]C[CHOICE])
(;W[cs];B[ds]
(;W[er];B[es]C[CHOICE])
(;W[gs];B[er]C[CHOICE]))
(;W[es];B[er]C[CHOICE])
(;W[ds];B[cs]C[CHOICE])))
(;W[dr];B[cr]
(;W[er];B[fr]C[CHOICE])
(;W[fr];B[er]C[CHOICE])
(;W[fs];B[fr]C[CHOICE])
(;W[ds];B[er]C[CHOICE]))
(;W[fs];B[fr]
(;W[cs];B[cr]C[CHOICE])
(;W[dr];B[cr]C[CHOICE])))