(;GM[1]FF[4]SZ[19]
GN[Diagonal attack]
PC[http://senseis.xmp.net/?InvasionOfThirdLineThreeSpaceExtension]AP[GoWiki:2009]
DT[2011-10-26]
C[Diagram from http://senseis.xmp.net/?InvasionOfThirdLineThreeSpaceExtension

Diagonal attack]
PL[B]

AB[gq][kq]
AW[iq]
CR[lo]
LB[jn:b][kp:a]

;B[hp]C[B1]MN[1]
;W[jp]C[W2]MN[2]

;CR[lo]
LB[jn:b][kp:a]
)
