(;AB[br]AW[bq]AW[cr]AW[bs]AB[cq]AB[dq]AW[co]AW[cp]AB[dp]AB[fq]AB[gq]AB[hr]AB[gs]AW[fo]AW[gp]AW[hp]AW[iq]AW[ir]AW[is]AW[hq]AW[do]C[black to live]AW[gn]AP[goproblems]
(;B[ar]
(;W[aq]
(;B[dr];W[as]
(;B[br]
(;W[ar]C[CHOICE]
(;B[es];W[fr]
(;B[er];W[ep]
(;B[cs]C[CHOICE];W[bp])
(;B[bp];W[cs]))
(;B[cs];W[gr])
(;B[ep];W[er]
(;B[cs];W[gr])
(;B[gr];W[cs]))
(;B[bp]C[NOTTHIS])
(;B[gr];W[cs]))
(;B[fr];W[es]
(;B[er];W[ds])
(;B[hs];W[fs])
(;B[ds];W[hs])
(;B[ep];W[ds]
(;B[er];W[hs])
(;B[hs];W[fs])
(;B[fs];W[hs])))
(;B[ds];W[ep]
(;B[fr];W[eq]
(;B[er];W[hs])
(;B[hs];W[er]))
(;B[eq];W[fr])
(;B[er];W[fs]))
(;B[ep];W[er]
(;B[es];W[fr])
(;B[fr];W[es]
(;B[hs];W[ds])
(;B[ds];W[hs])))
(;B[cs];W[ds];B[es];W[fr]
(;B[er];W[ep]
(;B[cs]C[];W[bp];B[br]C[Yes, ko is the best that black can do hereRIGHT])
(;B[bp]C[NOTTHIS]))
(;B[cs];W[gr];B[er];W[hs]
(;B[br];W[bp];B[ep];W[fp])
(;B[ep];W[fp]))
(;B[bp];W[gr])
(;B[gr];W[cs]))
(;B[bp]C[NOTTHIS]))
(;W[cs];B[ds];W[ar];B[er];W[ep];B[fs]C[RIGHT]))
(;B[es];W[fr]
(;B[er];W[ep]
(;B[cs];W[br])
(;B[br];W[cs]))
(;B[br];W[cs])
(;B[ep];W[gr]))
(;B[fr];W[es]
(;B[er];W[ds])
(;B[ds];W[hs])
(;B[hs];W[fs]))
(;B[ep];W[er]
(;B[fr];W[es]
(;B[ds];W[hs])
(;B[hs];W[ds]))
(;B[es];W[fr]
(;B[cs];W[br])
(;B[br];W[cs]))
(;B[ds];W[fr]))
(;B[ds];W[ep]
(;B[eq];W[fr])
(;B[fr];W[eq])
(;B[cs];W[br])
(;B[br];W[bp]))
(;B[er];W[ep]
(;B[hs];W[fs])
(;B[ds];W[hs]
(;B[cs];W[br])
(;B[br];W[bp])
(;B[gr];W[fs])))
(;B[bp]))
(;B[bp];W[as]
(;B[dr];W[br]
(;B[fr];W[es]
(;B[ep];W[ds])
(;B[er];W[ds])
(;B[ds];W[hs]))
(;B[ep];W[er]
(;B[fr];W[es]
(;B[hs];W[ds])
(;B[ds];W[hs]))
(;B[es];W[fr])
(;B[fs];W[fr])
(;B[ds];W[fr]))
(;B[er];W[ep]
(;B[ds];W[hs])
(;B[hs];W[fs])
(;B[fr];W[hs]))
(;B[es];W[fr]))
(;B[ep];W[dr])
(;B[er];W[ep])
(;B[ds];W[dr])
(;B[br];W[dr]))
(;B[fr];W[dr])
(;B[ds];W[dr])
(;B[cs];W[dr];B[er];W[ds];B[es];W[as]
(;B[fr];W[hs])
(;B[hs];W[fr])
(;B[ep];W[fp]))
(;B[es];W[dr]))
(;W[dr];B[bp];W[eq]
(;B[ep];W[er];B[fp]C[];W[fr];B[gr];W[hs];B[ds];W[fs];B[aq];W[eo];B[bq];W[cs];B[as]C[RIGHT])))
(;B[dr]
(;W[ar]
(;B[er];W[ep])
(;B[ds];W[ep]
(;B[er];W[hs])
(;B[eq];W[fr])
(;B[fr];W[eq]))
(;B[fr];W[es]
(;B[ds];W[hs])
(;B[er];W[ds]
(;B[ep];W[hs])
(;B[hs];W[ep])
(;B[fs];W[ep];B[cs];W[ds])))
(;B[es];W[fr])
(;B[ep];W[er]
(;B[fr];W[es])
(;B[es];W[fr]))))
(;B[es];W[dr]
(;B[er];W[ar])
(;B[ar];W[aq]))
(;B[er];W[dr]
(;B[ds];W[ar])
(;B[ar];W[aq]))
(;B[ds];W[ar])
(;B[bp];W[ar])
(;B[fr];W[dr]))
