(;GM[1]FF[4]SZ[19]
GN[Black defends the corner.]
PC[http://senseis.xmp.net/?BeginnerSQuestionAboutInvasion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerSQuestionAboutInvasion

Black defends the corner.]
PL[W]

AB[dd][ed][fd][gd][hd][de][df][dg]
AW[ee][fe][ge][he][ef][eg]

;W[fb]C[W1]MN[1]
;B[db]C[B2]MN[2]

;
)
