(;
AB[ip][jp][hq][hr][kq][kr][lq][mr][is]
AW[ln][io][jo][gp][gq][gr][gs][hp][lp][mp][jq][nq][nr][ns]
PL[W]
C[White plays.]
(;
W[kp]
C[Squeezing from the outside often works, but not in this case.];
B[jr]
C[Black is happy to give up some stones to make eye-space.];
W[iq];B[ls];W[ir];B[js]
)
    (;
    W[ls]
    C[Hits a vital point for eyes, but ...];
    B[jr]
    C[... Black still has eye-space potential. ];
    W[iq]
    C[For example ...];
    B[ir]
    LB[ks:A][ms:B]
    C[A and B are miai for Black.]
    )
    (;
    W[jr]
    C[The previous variations strongly suggest that White should take this point.];
    B[js];W[ls];B[ms];W[mq]
    C[Now Black has a liberty shortage.];
    B[lr];W[kp]
    C[Black collapses.]
    )
)

