(;GM[1]FF[4]SZ[19]
GN[Simple extension]
PC[https://senseis.xmp.net/?44Point33InvasionExtension]AP[GoWiki:2009]
DT[2022-07-29]
C[Diagram from https://senseis.xmp.net/?44Point33InvasionExtension

Simple extension]
PL[W]

AB[dc][dd][de]
AW[cc][cd]
LB[df:b][fh:a]

;W[cf]C[W1]MN[1]
;B[ce]C[B2]MN[2]
;W[be]C[W3]MN[3]
;B[bd]C[B4]MN[4]
;W[bc]C[W5]MN[5]
;B[bf]C[B6]MN[6]
;W[ad]C[W7]MN[7]
;B[cg]C[B8]MN[8]

;LB[df:b][fh:a]
)
