(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
GN[Cho L&D (abc)]AW[dc][ec][bd][cd][dd][ae]AB[fb][hb][fc][ed][be][ce][de][ee][bg]
(;B[cb]
;W[db]
(;B[bb]
;W[ab]
(;B[da]
;W[ea]
(;B[eb]
;W[ca]
;B[ba]
;W[bc]
;B[da]C[+])
(;B[ca]
;W[eb]
(;B[ac]
;W[bc]
;B[aa]
;W[ad]
(;B[af]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[fa]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[ad]
;W[ac]
;B[aa]C[10000-year ko]))
(;B[ba]
;W[eb]
;B[bc]
;W[ac]C[10000-year ko])
(;B[ad]
;W[ba]
;B[ca]
;W[eb]
(;B[aa]
;W[ac]
;B[bc]
;W[ad]
(;B[af]
;W[ba]C[Wrong; disadvantageous ko.])
(;B[fa]
;W[ba]C[Wrong; disadvantageous ko.]))
(;B[af]
;W[ac]
;B[aa]
;W[bc]
;B[fa]
;W[ae]C[Double ko])))
(;B[ad]
;W[ac]
;B[da]
;W[ea]
(;B[eb]
;W[ca]
;B[ba]
;W[bc]
;B[da]C[+])
(;B[ca]
;W[eb]
;B[aa]C[10000-year ko]))
(;B[ac]
;W[ca]
(;B[ba]
;W[da]
(;B[bc]
;W[ad])
(;B[af]
;W[bc]
;B[ad]
;W[ae]))
(;B[bc]
;W[ad]C[Wrong; disadvantageous ko.])
(;B[aa]
;W[ad]C[Wrong; disadvantageous ko.]))
(;B[ba]
;W[da]
(;B[af]
;W[ad]
;B[bc]
;W[ac])
(;B[bc]
;W[ad]))
(;B[ca]
;W[da]
(;B[ac]
;W[bc]
;B[aa]
;W[ad]C[Wrong; disadvantageous ko.])
(;B[ad]
;W[ac]
;B[aa]C[10000-year ko])
(;B[af]
;W[ad]
;B[aa]C[10000-year ko])
(;B[ba]
;W[ad]))
(;B[bc]
;W[da]
(;B[ac]
;W[ad]
(;B[aa]
;W[ca]C[Wrong; disadvantageous ko.])
(;B[af]
;W[ba]
;B[aa]
;W[ca]C[Wrong; disadvantageous ko.]))
(;B[ad]
;W[ac])
(;B[af]
;W[ad]
;B[ba]
;W[ac])))
(;B[ab]
;W[bb]
(;B[bc]
;W[ba]
(;B[ca]
;W[cc]
;B[aa]
;W[ac]
;B[ad]C[+])
(;B[ad]
;W[ac]C[Wrong; disadvantageous ko.]))
(;B[ba]
;W[bc]
;B[da]
;W[ea]
;B[eb]
;W[ca]C[Wrong; disadvantageous ko.]))
(;B[da]
;W[ea]
(;B[bb]
;W[ca]
(;B[ba]
;W[ab]
(;B[eb]
;W[bc]
;B[da]C[+])
(;B[bc]
;W[eb]
;B[ac]
;W[ad]
(;B[af]
;W[cc]
;B[da]C[+])
(;B[fa]
;W[cc]
;B[da]C[+])))
(;B[ab]
;W[ba]
(;B[ad]
;W[ac]
;B[bc]
;W[eb]
;B[ad]C[+])
(;B[bc]
;W[ad]))
(;B[eb]
;W[ba]
(;B[ad]
;W[ab])
(;B[ab]
;W[ad]
;B[fa]
;W[da])
(;B[fa]
;W[da]
(;B[ab]
;W[ad])
(;B[ad]
;W[ab]))))
(;B[ba]
;W[bb]
(;B[eb]
;W[ca]C[Wrong; disadvantageous ko.])
(;B[fa]
;W[ca]C[Wrong; disadvantageous ko.])
(;B[ab]
;W[bc]
;B[eb]
;W[ca]C[Wrong; disadvantageous ko.])
(;B[bc]
;W[ab]
(;B[ac]
;W[cc]
;B[aa]
;W[ca]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ca]C[Wrong; disadvantageous ko.])
(;B[fa]
;W[ca]C[Wrong; disadvantageous ko.])))
(;B[bc]
;W[ba]
(;B[ca]
;W[bb])
(;B[bb]
;W[ca]))
(;B[ca]
;W[bb]
;B[eb]
;W[ba]))
(;B[ad]
;W[bb]
;B[ac]
;W[ab]
(;B[af]
;W[da])
(;B[da]
;W[ea]
;B[ba]
;W[eb]
;B[af]
;W[bc])
(;B[ba]
;W[da]))
(;B[bc]
;W[ab]
(;B[da]
;W[ba]
(;B[bb]
;W[ea]
(;B[ca]
;W[ac]
;B[aa]C[+])
(;B[ac]
;W[ca]
;B[aa]
;W[ad]
;B[da]
;W[ca]
(;B[eb]
;W[da]
(;B[fa]
;W[ba]
;B[af]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[af]
;W[ba]
;B[fa]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[fa]
;W[da]
(;B[af]
;W[ba]
;B[eb]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ba]
;B[af]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[af]
;W[da]
(;B[fa]
;W[ba]
;B[eb]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ba]
;B[fa]
;W[ab]C[Wrong; disadvantageous ko.]))))
(;B[ca]
;W[ea]
(;B[bb]
;W[ac]
;B[aa]C[+])
(;B[eb]
;W[ac]
;B[fa]
;W[bb]))
(;B[ac]
;W[ad]
;B[bb]
;W[ea]
;B[aa]
;W[ca]
;B[da]
;W[ca]
(;B[eb]
;W[da]
(;B[fa]
;W[ba]
;B[af]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[af]
;W[ba]
;B[fa]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[fa]
;W[da]
(;B[af]
;W[ba]
;B[eb]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ba]
;B[af]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[af]
;W[da]
(;B[fa]
;W[ba]
;B[eb]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ba]
;B[fa]
;W[ab]C[Wrong; disadvantageous ko.]))))
(;B[ac]
;W[ad]
;B[bb]
;W[ca]
(;B[af]
;W[ba]
;B[aa]
;W[da]
(;B[ea]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[eb]
;W[ba]
;B[aa]
;W[da]
(;B[ea]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[af]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[ea]
;W[ba]
;B[aa]
;W[da]
(;B[eb]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[af]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[aa]
;W[da]
(;B[af]
;W[ba]
(;B[ea]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[ea]
;W[ba]
(;B[af]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[eb]
;W[ab]C[Wrong; disadvantageous ko.]))
(;B[eb]
;W[ba]
(;B[af]
;W[ab]C[Wrong; disadvantageous ko.])
(;B[ea]
;W[ab]C[Wrong; disadvantageous ko.]))))
(;B[bb]
;W[da]
(;B[ac]
;W[ad]C[Wrong; disadvantageous ko.])
(;B[af]
;W[ad]
;B[ba]
;W[ac])
(;B[ba]
;W[ad]))))
(;B[bb]
;W[cb]
(;B[da]
;W[ba]
(;B[bc]
;W[ab]
(;B[ac]
;W[ad]
;B[aa]C[+])
(;B[ca]
;W[ea]
;B[aa]
;W[db]
;B[ac]
;W[ad]
;B[eb]
;W[ba]
;B[ca]
;W[da]
(;B[fa]
;W[ba]C[Wrong; disadvantageous ko.])
(;B[af]
;W[ba]C[Wrong; disadvantageous ko.])))
(;B[ca]
;W[ea]
;B[aa]
;W[db]
;B[bc]
;W[ac]
;B[af]
;W[ad]
;B[eb]
;W[ba]
;B[ca]
;W[da]
;B[fa]
;W[ba]C[Wrong; disadvantageous ko.]))
(;B[bc]
;W[ba]
(;B[ac]
;W[ad]
(;B[eb]
;W[ab]
;B[aa]C[+])
(;B[da]
;W[ab]
;B[aa]C[+]))
(;B[da]
;W[ab]
;B[ac]
;W[ad]
;B[aa]C[+]))
(;B[eb]
;W[bc])
(;B[ad]
;W[ac]
(;B[eb]
;W[ba])
(;B[da]
;W[ba]
;B[ca]
;W[ea]
;B[aa]
;W[db]
;B[eb]
;W[ba]
;B[ca]
;W[bc])))
(;B[da]
;W[cb]
(;B[bb]
;W[ab]
;B[bc]
;W[ba]
;B[ac]
;W[ad]
;B[aa]C[+])
(;B[ba]
;W[ca]
;B[bb]
;W[eb]
(;B[ea]
;W[bc])
(;B[bc]
;W[ea]))
(;B[bc]
;W[bb]
(;B[ac]
;W[ad])
(;B[ca]
;W[ba]
;B[ab]
;W[ad])))
(;B[ca]
;W[cb]
(;B[da]
;W[ba])
(;B[bb]
;W[da]))
(;B[eb]
;W[cb]
;B[bc]
;W[bb]))
