(;GM[1]FF[4]SZ[19]
GN[What White should have done...]
PC[http://senseis.xmp.net/?BQM478]AP[GoWiki:2009]
DT[2009-06-13]
C[Diagram from http://senseis.xmp.net/?BQM478

What White should have done...]
PL[W]

AB[pd][ok][qk][jp][np][op][qp][pq][rq]
AW[cc][nn][co][po][qo][rp][dq][oq]
CR[jp]
LB[pl:b][pm:a]

;W[pp]C[W1]MN[1]
;B[qq]C[B2]MN[2]
;W[mp]C[W3]MN[3]

;CR[jp]
LB[pl:b][pm:a]
)
