(;AB[bb]AB[cb]AB[ac]AB[ab]AB[db]AB[ec]AB[ed]AB[ee]AB[gd]AB[hc]AB[hb]AW[eb]AW[fb]AW[gb]AW[de]AW[df]AW[be]AW[ad]AW[bc]AW[cc]AW[dc]C[Black to save his stones]AB[jb]AP[goproblems]
(;B[da];W[ba]
(;B[ga];W[ea]
(;B[gc];W[ca])
(;B[fc];W[ca]))
(;B[gc];W[ea]
(;B[ga];W[ca])
(;B[fc];W[ca])
(;B[ha];W[ca]))
(;B[ea];W[fa];B[fc];W[ca])
(;B[fa];W[ea]))
(;B[ba];W[da]
(;B[ea];W[fa]
(;B[gc];W[ea];B[fc]C[RIGHT])
(;B[ha];W[ea]
(;B[ga];W[ca])
(;B[fc];W[ca]))
(;B[fc];W[ea];B[gc]C[RIGHT]))
(;B[ga];W[ea];B[gc];W[ca])
(;B[fc];W[ea]
(;B[ga];W[ca])
(;B[gc];W[ca]))
(;B[fa];W[ea]))
(;B[ea];W[ba]
(;B[da];W[fa];B[fc];W[ca])
(;B[ca];W[fa]
(;B[fc];W[da]C[ko])
(;B[gc];W[da]C[ko]))
(;B[fa];W[ga]
(;B[ca];W[da];B[ea];W[fa]C[ko])
(;B[da];W[ca]))
(;B[ga];W[fa]
(;B[ca];W[da]C[ko])
(;B[da];W[ca]))
(;B[fc];W[fa]
(;B[ca];W[da]C[ko])
(;B[da];W[ca]))
(;B[gc];W[fa]
(;B[ca];W[da]C[ko])
(;B[da];W[ca])))
(;B[ca];W[ea];B[ga];W[da]))