(;AB[ba]AB[bb]AB[ac]AB[bd]AB[be]AB[ce]AB[de]AB[ee]AB[fe]AB[fd]AB[fc]AB[fb]AB[fa]AW[ab]AW[bc]AW[cc]AW[cb]AW[cd]AW[dd]AW[ed]AW[ec]AW[da]C[Black to kill]AP[goproblems]
(;B[db];W[eb]
(;B[ea]
(;W[dc]
(;B[aa]C[RIGHT])
(;B[ad]C[RIGHT]))
(;W[ad];B[ca]))
(;B[ca];W[aa])
(;B[aa];W[ca]
(;B[ab];W[ad])
(;B[ad];W[ab])))
(;B[aa];W[ca]
(;B[ea];W[eb]
(;B[db];W[ab])
(;B[dc];W[ab]))
(;B[eb];W[db]
(;B[ea];W[ab])
(;B[ad];W[ab]))
(;B[db]
(;W[eb];B[ea];W[ab])
(;W[ab];B[ba];W[eb]))
(;B[dc];W[eb];B[ea];W[ab]))
(;B[ea])
(;B[eb];W[db];B[ad];W[ca];B[aa];W[ab])
(;B[dc]
(;W[db])
(;W[eb];B[ea];W[ad]))
(;B[ad];W[ca];B[eb];W[db];B[aa];W[ab])
(;B[ca];W[aa]
(;B[eb];W[db])
(;B[ba];W[ad];B[eb];W[db])))