(;AB[hd]AB[hc]AB[hb]AB[ge]AB[fe]AB[ee]AB[de]AB[cf]AB[cd]AB[cc]AB[cb]AW[db]AW[dc]AW[dd]AW[ed]AW[fd]AW[gc]AW[gb]AW[fb]C[Black to kill.]AP[goproblems]
(;B[ga];W[da]
(;B[ec]C[RIGHT])
(;B[fa];W[ea];B[ec];W[ha];B[ga]C[RIGHT]))
(;B[ec];W[ga];B[ea];W[da];B[eb];W[gd]C[White lives in seki.]))