(;GM[1]FF[4]SZ[19]
GN[Extend]
PC[http://senseis.xmp.net/?LowInvasionOfMixedThreeSpaceExtension]AP[GoWiki:2009]
DT[2014-04-24]
C[Diagram from http://senseis.xmp.net/?LowInvasionOfMixedThreeSpaceExtension

Extend]
PL[W]

AB[kp][gq]
LB[jp:a][kq:b]

;W[iq]C[W1]MN[1]
;B[ip]C[B2]MN[2]
;W[jq]C[W3]MN[3]

;LB[jp:a][kq:b]
)
