(;
AB[ob][mb][pc][lc][qd][ld][le][rf][qf][pg][og][ng][mg][kg][ri][li][ki][qj][oj][mj][nk][lk]
AW[lb][kb][kc][hc][kd][ke][mf][qg][qh][ph][oh][nh][mh][lh][mi]
PL[W]
C[White plays.

Source:
    Another gem from Susuki Tamejiro 8p's tsumego book from 1920.];
W[lg]
C[OK, the 1st move is obvious.  White must create weaknesses to help these stones.];
B[lf];W[kf]
C[Another weakness-creating forcing move.];
B[kh]
TR[mf]
C[Now the real problem arises:  how can White make use of the marked stone?]
(;
W[ne]
C[A beautiful symmetric tesuji that simultaneously threatens the 4 stones to the left and the 4 stones below, but ...];
B[od]
C[... unfortunately, Black also has an even more beautiful symmetric move that saves each group of 4 stones, and thus also captures White's big group.]
)
    (;
    W[mc]
    C[The correct move order.];
    B[md];W[pf];B[of]
    (;
    W[ne]
    C[Again, White's beautiful symmetric move does not work.];
    B[od]
    C[White has nothing.]
    )
        (;
        W[nc]
        C[Correct.];
        B[nd];W[od]
        C[Only now can White take the vital point.];
        B[oc];W[ne];B[nb];W[pe];B[me];W[oe]
        C[White captures the 5 stones in a snapback, but Black is not through yet!];
        B[nf];W[mf];B[nf]
        (;
        W[ng]
        C[Ko is the best result for White.]
        )
            (;
            W[mg]
            C[Fails.];
            B[og]
            C[White has nowhere to make a 2nd eye.]
            )
        )
    )
)

