(;AW[bb]AW[cb]AW[cc]AW[dd]AW[de]AW[ec]AW[fc]AW[da]AB[bc]AB[bd]AB[cd]AB[ce]AB[cg]AB[df]AB[ef]AB[ee]AB[fd]AB[gd]AB[gb]AB[gc]C[Black to kill]AP[goproblems] (;B[fb];W[eb]) (;B[ed];W[dc] (;B[eb];W[fb];B[fa];W[ea]) (;B[fb];W[eb]) (;B[ea];W[fa])) (;B[eb];W[fb];B[fa];W[ea]) (;B[dc] (;W[db] (;B[fb]C[RIGHT]) (;B[fa];W[fb]))) (;B[ab] (;W[ba];B[dc] (;W[ed];B[eb]C[RIGHT]) (;W[db] (;B[fb]C[RIGHT]) (;B[fa];W[fb]))) (;W[fb];B[ba] (;W[db];B[ed]C[RIGHT]) (;W[ed] (;B[fa] (;W[db];B[ea]C[RIGHT]) (;W[ea];B[db]C[RIGHT])) (;B[db]C[RIGHT])))) (;B[db];W[eb]) (;B[ba];W[ab] (;B[dc];W[db] (;B[fb]C[RIGHT]) (;B[fa];W[fb])) (;B[eb];W[fb];B[fa];W[ea]) (;B[ed];W[dc] (;B[fb];W[eb]) (;B[eb];W[fb];B[fa];W[ea]))))