(;AB[bq]AB[bp]AB[bn]AB[co]AB[ep]AB[dp]AB[fp]AB[gp]AB[hp]AB[hq]AB[gr]AB[hr]AW[bo]AW[cp]AW[cq]AW[br]AW[dq]AW[eq]AW[fq]AW[gq]AW[fr]C[black to kill, no ko]AP[goproblems]
(;B[ar];W[cs]
(;B[fs]
(;W[es]
(;B[dr];W[as]
(;B[er];W[cr]
(;B[bs]C[NOTTHIS])
(;B[ao];W[aq])
(;B[ap];W[aq])
(;B[ds];W[es]))
(;B[bs]C[NOTTHIS])
(;B[ao];W[aq])
(;B[ap];W[aq])
(;B[cr]C[RIGHT]))
(;B[as];W[dr])
(;B[bs];W[as]))
(;W[as]
(;B[ds];W[aq];B[ao];W[es];B[er]C[RIGHT])
(;B[bs]C[NOTTHIS])
(;B[es];W[aq];B[ao];W[ds])
(;B[dr])
(;B[ao];W[es]
(;B[bs]C[NOTTHIS])
(;B[dr])
(;B[aq];W[dr]))))
(;B[as];W[dr])
(;B[dr];W[as]
(;B[bs]C[NOTTHIS])
(;B[cr];W[aq])
(;B[ap];W[aq])
(;B[fs];W[aq]
(;B[ao];W[er])
(;B[cr];W[ap])))
(;B[aq];W[dr])
(;B[es];W[fs]
(;B[dr];W[ds]
(;B[bs];W[cr])
(;B[er];W[cr];B[er];W[as]))
(;B[bs];W[as])
(;B[as];W[dr]))
(;B[bs];W[as]))
(;B[dr];W[aq])
(;B[fs];W[es]
(;B[ar];W[dr])
(;B[dr];W[aq]))
(;B[ds];W[es]
(;B[dr];W[aq])
(;B[ar];W[dr]))
(;B[ao];W[ar])
(;B[bs];W[aq];B[ao];W[cs])
(;B[cr];W[aq])
(;B[es];W[aq]))