(;AW[aa]AW[ba]AW[ab]AW[bb]AW[cc]AW[dc]AW[db]AW[eb]AW[fb]AW[fa]AB[ac]AB[bc]AB[cd]AB[be]AB[dd]AB[ed]AB[fc]AB[gb]AB[ga]AB[hd]AP[goproblems] (;B[da];W[ca];B[cb];W[bb] (;B[ca];W[ba] (;B[ab];W[ea];B[ca]C[White is dead! Nice job!RIGHT]) (;B[ec];W[ea] (;B[ab];W[ca]C[White is alive!]) (;B[ca];W[ab]C[White is alive!])) (;B[aa];W[ea] (;B[ab];W[ca]C[White is alive!]) (;B[ca];W[ab]C[White is alive!]))) (;B[ba];W[ca]C[Only ko, black can do better!]) (;B[ab] (;W[ca];B[aa];W[ea];B[ba]C[White is dead! Nice job!RIGHT]) (;W[ba] (;B[aa];W[ca];B[cb]C[White is dead! Nice job!RIGHT]) (;B[ca];W[ea];B[ca]C[RIGHT]))) (;B[aa];W[ba] (;B[ab];W[ca];B[cb]C[White is dead! Nice job!RIGHT]) (;B[ca];W[ea] (;B[ab];W[ca]C[White is alive!]) (;B[ca];W[ab]C[White is alive!])))) (;B[ca];W[da];B[cb];W[bb]C[White is alive!]) (;B[cb];W[ca]C[White is alive!]))