(;SZ[9]AB[cc]AB[ec]AB[gc]AB[ee]AB[ce]AB[ge]AB[gg]AB[cg]AB[eg]AW[dc]AB[dd]AB[fd]AW[eb]AB[ed]AW[db]AW[cb]AB[bc]AW[bb]AB[ac]AW[ab]AB[gb]AW[ea]LB[dc:1]LB[dd:2]LB[fc:3]LB[fd:4]LB[eb:5]LB[ed:6]LB[db:7]LB[cb:9]LB[fb:8]LB[bc:10]LB[bb:11]LB[ac:12]LB[ab:13]LB[gb:14]LB[ea:15]AB[hb]LB[hb:16]AW[fa]AB[fb]LB[fa:17]C[Black can win so he could let White make eyes. Now, what is the best way of Black?]AP[goproblems] (;B[ga]C[RIGHT]) (;B[ba];W[ca];B[ga]C[RIGHT]) (;B[ca];W[ba];B[ga]C[RIGHT]) (;B[ha];W[ga]) (;B[aa];W[ga]) (;B[da];W[ga]))