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