(;
AB[qb][qc][pd][od][nd][mc][mb]
AW[lb][lc][ld][md][ne][oe][pe][qd][rd][rc][rb]
C[Black plays.];
B[ob]
C[The first move is obvious, but don't underestimate the remainder of the solution!];
W[qa]
(;
B[pa]
C[A big mistake.];
W[pc];B[pb];W[ma]
C[Now Black has no defense!]
(;
B[na]
C[Blocking doesn't work.];
W[nc]
C[Black has only one eye.];
B[oc];W[nb]
)
    (;
    B[nb]
    C[Threatens 2 eyes, but ...];
    W[oc]
    C[... White's sente throw-in kills.];
    B[nc];W[na]
    )
    (;
    B[oc]
    C[No better.];
    W[nb];B[nc];W[na]
    )
)
    (;
    B[oc]
    C[This move seems to fix the problem from the previous variation, but ...];
    W[pb];B[pc];W[pa]
    C[... Black still has only one eye.];
    B[oa];W[ra];B[nb];W[ma]
    )
    (;
    B[pb]
    C[Black's eye-shape seems even stronger, but ...];
    W[ma]
    C[... White can just calmly hane here.]
    (;
    B[na];W[nc];B[nb];W[oc];B[pc];W[pa]
    )
        (;
        B[nb]
        C[No better.];
        W[oc]
        C[White plays the symmetrical point.  Black cannot make a 2nd eye.];
        B[pa];W[na]
        )
    )
    (;
    B[ma]
    C[Correct.  Finally, Black creates good eye-shape.]
    (;
    W[nc];B[oc];W[pb];B[oa];W[pc];B[nb]
    C[Black lives.]
    )
        (;
        W[oa];B[pb];W[pa];B[na]
        )
    )
    (;
    B[oa]
    C[This stylish move also works!]
    (;
    W[ma];B[oc]
    C[Another stylish move to not only live, but also save all the stones.];
    W[pb];B[pc];W[nb];B[nc]
    )
        (;
        W[pb];B[pc];W[nc];B[oc]
        )
    )
)

