(;GM[1]FF[4]SZ[19]
GN[Preventing the invasion]
PC[http://senseis.xmp.net/?33PointInvasion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?33PointInvasion

Preventing the invasion]
PL[B]

AB[dd][cg]
AW[fc]
CR[cg]
LB[cf:a]

;B[dc]C[B1]MN[1]

;CR[cg]
LB[cf:a]
)
