(;GM[1]FF[4]SZ[19]
GN[Good for White]
PC[http://senseis.xmp.net/?MixedFourSpaceExtensionInvasion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?MixedFourSpaceExtensionInvasion

Good for White]
PL[W]

AB[lp][gq]

;W[jp]C[W1]MN[1]
;B[jq]C[B2]MN[2]
;W[iq]C[W3]MN[3]
;B[ip]C[B4]MN[4]
;W[kq]C[W5]MN[5]
;B[jr]C[B6]MN[6]
;W[kp]C[W7]MN[7]

;
)
