(;GE[life and death]DI[2k]DP[23]SO[gobluesky]CO[0]C[흑은 어떻게 둘까요?]AB[cc]AB[cd]AB[dc]AB[eb]AB[fb]AB[fc]AB[fd]AB[fe]AB[ef]AB[eg]AB[dg]AB[cg]AB[ag]AB[bg]AB[af]AW[ec]AW[ee]AW[ed]AW[de]AW[df]AW[cf]AW[bf]AW[ae]AW[ad]AW[bc]AW[cb]AW[db]AP[goproblems];B[bb];W[ba];B[ab];W[ac];B[da];W[aa];B[bb];W[ab];B[ea];W[be];B[ca])