(;AB[cd]AB[bd]AB[dc]AB[ec]AW[dd]AW[ed]AW[fd]AW[fc]AW[ce]AW[be]AW[hd]AW[cc]C[Black to live]AP[goproblems]
(;B[cb];W[bc];B[bb];W[ad]
(;B[eb]
(;W[da]
(;B[ab]C[RIGHT])
(;B[fb];W[gb]
(;B[ab];W[fa]
(;B[ea];W[db])
(;B[ca];W[ea];B[db];W[ga]))
(;B[ga];W[db];B[hb];W[gc];B[ca];W[ab];B[ea]C[black is mostly dead])))
(;W[fb];B[da];W[fa];B[ea];W[ab];B[ba]C[RIGHT]))
(;B[fb];W[gb];B[eb]
(;W[da]
(;B[ab];W[fa]
(;B[ea];W[db])
(;B[ca];W[ea];B[db];W[ga]))
(;B[ga];W[db];B[hb];W[gc];B[ca];W[ab];B[ea]C[black is mostly dead]))
(;W[ab];B[da]))
(;B[ab];W[eb];B[db];W[fb]))
(;B[bc];W[cb]))