(;
AB[ic][qd][oc][oe][pg][oh][nh][mi][nj][ok][pk][qk][qo][po][np][mp][mq][nr][lr][kq][jr][ks][hq][gq][cr][ar][bq][bp][cp][co][bn][bm][dn][en][em][gm][hn][im]
AW[br][cq][dq][dp][do][eq][fq][gp][hp][ip][iq][ir][jq][or][oq][nq][qp][rp][ro][qm][qj][oi][ni][pj][ph][qh][qf][re][dc][ce][cn][cm][dm][ck][dk][fl][gj]
C[Black plays.

Source:
    Blueprint 361, Miyamoto Naoki 9p
    Go World #7, May-Jun 1978, p. 58];
LB[ef:A][dh:B][ij:C]
C[Hint:  A, B, or C?]
(;
B[ef]
C[Correct.  This point is critical to both sides' territorial frameworks];
W[dg];B[eg]
C[After White defends, Black pushes again.];
W[dh];B[ie]
LB[aj:A]
C[And now Black can jump here to solidify the moyo and support the 2 stones to the left.

Note that Black still can slide to A to reduce White's territory even further.]
)
    (;
    B[dh]
    C[Black jumps too far into White's framework.];
    W[gh]
    C[White caps from one direction, so ...];
    B[df]
    C[... Black runs in the other direction.];
    W[ff]
    C[White can keep pushing from the outside.];
    B[de];W[dd]
    C[Now Black will have to scrounge for two eyes.  Even if Black lives, White's outside strength will become even greater.  White's outside strength is already casting a shadow on Black's framework on the right.]
    )
    (;
    B[ij]
    C[Black's move here is slack.];
    W[he]
    C[Now White is the one who plays first between the two opposing frameworks.]
    (;
    B[jd]
    C[When Black blocks, ...];
    W[je]
    C[... White attaches and then extends.];
    B[ke];W[jf]
    LB[pm:A][jo:B]
    C[Black's strategy might work here, if Black could now enclose the entire lower center area.  But the area is open at both A and B.]
    )
        (;
        B[gd]
        C[If instead Black plays to the left, ...];
        W[ge]
        C[... White simply pulls back for an adequate result.]
        )
        (;
        B[je]
        C[Black can also block here.];
        W[hc]
        C[But White will block here.]
        )
    )
)

