(;AB[ae]AB[be]AB[ce]AB[de]AB[ed]AB[fc]AB[fb]AW[ad]AW[bd]AW[cd]AW[dd]AW[ec]AW[eb]AW[da]AW[ca]AB[cb]AB[db]AB[bc]AB[fd]AP[goproblems]
(;W[bb];B[ab]
(;W[ba];B[cc]
(;W[dc]C[RIGHT])
(;W[ea];B[fa]
(;W[dc]C[RIGHT])
(;W[ac];B[dc])
(;W[aa];B[dc]))
(;W[aa];B[ea])
(;W[ac];B[dc])
(;W[fa];B[ac]))
(;W[dc];B[ba])
(;W[ea];B[ba])
(;W[cc];B[ba]
(;W[dc];B[ea])
(;W[ea];B[fa])
(;W[ac];B[dc])
(;W[fa];B[ga]
(;W[ea];B[dc])
(;W[dc];B[ea])
(;W[ac];B[dc])
(;W[gb];B[ea])))
(;W[ac];B[ba]
(;W[dc];B[ea])
(;W[ea];B[dc])
(;W[cc];B[dc])
(;W[fa];B[ga]
(;W[gb];B[ea])
(;W[dc];B[ea])
(;W[cc];B[dc])
(;W[ea];B[dc])))
(;W[aa];B[ba])
(;W[fa];B[ba]))
(;W[dc];B[ba]
(;W[ea];B[ac])
(;W[bb];B[ea])
(;W[cc];B[ea])
(;W[ac];B[ea])
(;W[ab];B[ea])
(;W[aa];B[ea])
(;W[fa];B[ga]
(;W[ea];B[ac])
(;W[gb];B[ea])
(;W[cc];B[ea])
(;W[bb];B[ea])
(;W[ac];B[ea])
(;W[ab];B[ea])
(;W[aa];B[ea])))
(;W[cc];B[ac]TR[ad]TR[bd]TR[cd]TR[dd]TR[cc]C[Yes, they're gone...])
(;W[ac];B[ba]
(;W[ea];B[dc])
(;W[dc];B[ea])
(;W[cc];B[bb]
(;W[dc];B[ea])
(;W[ea];B[fa])
(;W[ab];B[ea])
(;W[aa];B[ea])
(;W[fa];B[dc]))
(;W[ab];B[ea])
(;W[bb];B[ea])
(;W[fa];B[dc])
(;W[aa];B[ea]))
(;W[ba];B[dc]
(;W[ea];B[ac])
(;W[cc];B[ac])
(;W[ac];B[ab])
(;W[bb];B[ea])
(;W[ab]MA[ac]MA[ea]C[Black doesn't even have to answer as one of the marked points suffices to kill.])
(;W[aa]C[White remains dead.]))
(;W[ab];B[dc])
(;W[aa];B[dc])
(;W[ea];B[ba]
(;W[dc];B[ac])
(;W[cc];B[fa])
(;W[ac];B[dc])
(;W[ab];B[dc])
(;W[bb];B[ab])
(;W[aa];B[ab])
(;W[fa];B[ga]))
(;W[fa];B[dc]))