(;AW[dc]AW[ed]AW[fc]AW[fb]AW[gc]AW[hd]AB[bc]AB[ce]AB[gb]AB[hb]AB[hc]AB[ic]AB[je]AB[dg]AB[eg]AB[ff]AB[gf]AB[ig]C[White to live with as many points as possible.]AP[goproblems] (;W[bb];B[cb];W[cc] (;B[ab];W[ba];B[ca];W[bd];B[aa];W[cd]C[Correct. Black C18 is a mistake.RIGHT]) (;B[ba];W[ab];B[ac];W[bd];B[aa];W[cd];B[db];W[da];B[eb];W[ea];B[be];W[ad]C[Correct. Black C18 is a mistake.RIGHT])) (;W[cb];B[bb]C[White can get more.]) (;W[bd];B[cd] (;W[cc];B[bb]) (;W[bb];B[cc];W[cb];B[ab];W[eb]C[Slightly worse than optimal.])))