(;AB[dc]AB[ec]AB[eb]AB[de]AB[ee]AW[cf]AW[cc]AW[cb]AW[db]C[B to capture the corner.]AP[goproblems]
(;B[cd];W[bd]
(;B[be];W[ce]
(;B[dd];W[bc])
(;B[bc];W[dd]))
(;B[ce];W[be]))
(;B[ce];W[bd]
(;B[cd];W[be])
(;B[be];W[ab]C[W lives.]))
(;B[be];W[ce]
(;B[bd];W[cd])
(;B[cd];W[bd];B[dd];W[bc]))
(;B[bd];W[cd]
(;B[ce];W[be]
(;B[bf];W[bc];B[ae];W[ba];B[ab];W[ac];B[da]C[RIGHT])
(;B[bc];W[af]
(;B[da];W[bb])
(;B[bb];W[ba]
(;B[ad];W[ab])
(;B[ac];W[ad])
(;B[ab];W[ad]
(;B[dd]C[RIGHT])
(;B[ca];W[da]
(;B[ea]C[RIGHT])
(;B[dd]C[RIGHT]))
(;B[da];W[ca]
(;B[ea]C[RIGHT])
(;B[dd];W[ea];B[fa];W[ae];B[da]C[ko.]))
(;B[ea];W[ae]
(;B[da];W[ac])
(;B[dd];W[ac])
(;B[ca];W[ac])))
(;B[ca]C[RIGHT])
(;B[da];W[ca]
(;B[dd];W[ea]
(;B[ad];W[ab];B[fa];W[ae])
(;B[ac];W[ae]
(;B[fa];W[ad])
(;B[aa];W[ab]C[ko]))
(;B[ab];W[ad];B[fa];W[ae];B[da]C[ko.])
(;B[fa];W[ad];B[da]C[ko.]))
(;B[ea]C[RIGHT]))
(;B[dd]C[RIGHT])))
(;B[bb];W[bc]))
(;B[be];W[ce])
(;B[bc];W[ce]))
(;B[bc];W[ce];B[cd];W[bd];B[dd];W[bb]))