(;GM[1]FF[4]SZ[19]
GN[Expansion before invasion]
PC[http://senseis.xmp.net/?BQM321]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM321

Expansion before invasion]
PL[W]

AB[ol][on][po][dp][jp][pp][pq]
AW[cd][qd][rm][qn][qp][qq]
CR[qq]
LB[fd:d][cl:b][cn:c][hq:a]

;W[dj]C[W1]MN[1]

;CR[qq]
LB[fd:d][cl:b][cn:c][hq:a]
)
