(;AB[cb]AB[cc]AB[da]AB[eb]AB[fb]AB[gc]AB[gd]AB[fd]AB[ee]AB[de]AB[ce]AB[bf]AB[cg]AW[fc]AW[ec]AW[dc]AW[db]AW[dd]AW[cd]AW[bd]AW[be]AW[bc]C[Black to kill]AP[goproblems]
(;B[ca];W[ba]
(;B[ea];W[bb];B[gb];W[ae])
(;B[gb];W[bb];B[ea];W[ae])
(;B[bb];W[ab];B[aa]C[ko]))
(;B[ea];W[ba]
(;B[ca];W[bb];B[gb])
(;B[bb];W[ab]
(;B[ca];W[gb];B[aa]C[ko])
(;B[gb];W[ca])))
(;B[bb];W[ab]
(;B[ea];W[ba]
(;B[ca];W[gb];B[aa]C[ko])
(;B[gb];W[ca]))
(;B[ca];W[ba];B[aa]C[ko])
(;B[ba];W[ac]
(;B[ae];W[gb];B[hb];W[aa])
(;B[ed];W[aa])
(;B[gb];W[aa]
(;B[ea];W[ca];B[cb];W[bb];B[ba]C[ko])
(;B[ca];W[ea];B[ca];W[cb];B[da];W[ba])))
(;B[ac];W[ba];B[aa]C[ko]))
(;B[ba]
(;W[bb]
(;B[gb];W[ab]C[T for Tenuki]LB[eg:T]
(;B[ea];W[aa];B[ca]C[RIGHT])
(;B[ca]C[RIGHT];W[aa];B[ea]C[RIGHT])
(;B[ae];W[aa]C[White lives.])
(;B[eg];W[aa]C[White lives.]))
(;B[ca]
(;W[gb]
(;B[ea];W[hb])
(;B[hb];W[ab]
(;B[ga];W[aa];B[ea]C[RIGHT])
(;B[ea];W[aa];B[ga]C[RIGHT])))
(;W[ab]
(;B[gb];W[aa];B[ea]C[RIGHT])
(;B[ea]
(;W[gb];B[hb];W[aa];B[ga]C[RIGHT])
(;W[aa];B[gb]C[RIGHT]))))
(;B[ea]
(;W[gb];B[hb];W[ab]
(;B[ca];W[aa];B[ga]C[RIGHT])
(;B[ga]
(;W[aa];B[ca]C[RIGHT])
(;W[ca];B[cb]C[RIGHT])))
(;W[ca];B[cb];W[gb];B[hb]C[RIGHT])
(;W[ab];B[gb]C[RIGHT];W[aa];B[ca]C[RIGHT]))
(;B[ga]
(;W[ca];B[cb]C[RIGHT])
(;W[ab];B[ca]C[RIGHT]))
(;B[fa];W[ab];B[gb];W[aa])
(;B[hb]C[RIGHT])
(;B[ae];W[ab]
(;B[ad];W[aa]C[White lives.])
(;B[ca];W[aa]C[White lives.])
(;B[ea];W[aa]C[White lives.])
(;B[gb];W[aa]C[White lives.])))
(;W[gb];B[hb];W[bb];B[ga]
(;W[ca];B[cb]C[RIGHT])
(;W[ab];B[ea]
(;W[aa];B[ca]C[RIGHT])
(;W[ca];B[cb]C[RIGHT]))))
(;B[ab];W[ba]
(;B[ca];W[bb])
(;B[bb];W[ca];B[aa];W[ca];B[ba];W[ac]
(;B[ea];W[gb];B[hb];W[ca];B[ga];W[cb])
(;B[ca];W[ea])))
(;B[gb];W[ba]
(;B[bb];W[ab])
(;B[ca];W[bb];B[ea];W[ae])))