(;
AB[qa][oa][na][ja][mb][ib][nc][mc][ic][ld][jd][hd][le][ke][jf]
AW[ma][la][ka][ha][nb][lb][kb][rc][pc][lc][kc][hc][gc][fc][pd][kd][id][oe][ne][je][he][fe][mf][kf][if][hf][kg][ih]
C[White plays.

Source:
    FaYangLun:  300 year old problem set for
    student professionals.
Analysis:
    Myron Souris]
(;
W[ob]
C[Correct.

White first threatens to save his
inside stones.];
B[pa];
W[jc]
C[White forms a big eye.];
B[jb]
(;
W[jd]
C[White forms an even bigger eye!];
B[ie]
(;
W[jd]
C[Now, Black cannot prevent the collapse
of the large open area into a single eye!

Go is sooooo cool!]
(;
B[jc];
W[ma]
(;
B[kd];
W[id];
B[lb];
W[kc]
)
    (;
    B[kc];
    W[lb]
    )
    (;
    B[lb];
    W[kc]
    )
)
    (;
    B[kb];
    W[la];
    B[ma];
    W[id]
    )
)
    (;
    W[kc]
    C[Fails.];
    B[kb];
    W[jd];
    B[kd];
    W[jc];
    B[lc]
    )
)
    (;
    W[hb]
    C[Fails.];
    B[jd];
    W[kc];
    B[kb]
    C[Black lives.]
    )
)
    (;
    W[jc]
    C[Fails.
White's move order is wrong.];
    B[jb]
    (;
    W[ob]
    C[Now, Black has a better response
to this move.];
    B[jd];
    W[kc];
    B[kb]
    C[Black lives.]
    )
        (;
        W[jd];
        B[ie];
        W[jd];
        B[ob]
        C[Black lives easily.]
        )
    )
)
