(;
AB[or][pq][oq][pp][jp][dp][po][mo][qn][nn][dn][qm][nm]
AW[qr][pr][qq][nq][fq][qp][qo][no][mn][cj]
C[White plays.

Source:
    Tesuji Dictionary, Vol. 1, Tsuke #81,
    Segoe Kensaku & Go Seigen, Ishi Press]
(;
W[kp]C[Correct.  A dual purpose move.]
(;
B[jo]C[If Black defends the stone to the left...];
W[mp]C[White unleashes a well-known tesuji against
the stones to the right.];
B[lo];
W[ko];
B[ln];
W[kn];
B[lm];
W[jn]C[Now White has plenty of counterplay possibilities.]
)
    (;
    B[mp]C[If Black defends the stones to the right...];
    W[jq];
    B[iq];
    W[ip];
    B[jo];
    W[hq];
    B[ir];
    W[jr]C[White captures the 2 Black stones on the bottom,
and still has aji on the right.]
    )
)
    (;
    W[lo]C[Inferior.];
    B[mp];
    W[lp];
    B[mq];
    W[lq];
    B[mr]C[Black simply descends, and White
is still uncomfortable on the left.]
    )
)

