(;AB[ab]AB[bb]AB[ad]AB[bd]AB[cd]AB[dd]AB[ec]AB[fc]AB[gd]AB[gb]AB[ga]AW[ba]AW[ac]AW[bc]AW[cc]AW[dc]AW[db]AW[eb]AW[fb]AP[goproblems]
(;B[fa];W[cb]
(;B[ea];W[aa];B[da]C[RIGHT])
(;B[da]C[RIGHT]))
(;B[cb]
(;W[ca]
(;B[fa];W[aa]
(;B[ea];W[bb]C[])
(;B[bb];W[ea]C[]))
(;B[ea];W[aa]
(;B[fa];W[bb])
(;B[da];W[fa])
(;B[bb];W[fa])
(;B[cb];W[fa])
(;B[ab];W[fa])))
(;W[da];B[fa])
(;W[ea]))
(;B[ea];W[fa]
(;B[cb];W[da]C[])
(;B[ca];W[da];B[aa]C[]))
(;B[ca];W[cb];B[fa];W[aa]C[])
(;B[da];W[ea]
(;B[cb];W[ca]C[])
(;B[fa];W[ca]C[])
(;B[ca];W[cb]C[])))