(;GM[1]FF[4]SZ[19]
GN[Third line]
PC[http://senseis.xmp.net/?ThreeSpaceExtensionInvasions]AP[GoWiki:2009]
DT[2018-11-07]
C[Diagram from http://senseis.xmp.net/?ThreeSpaceExtensionInvasions

Third line]
PL[W]

AB[ch][cl]
LB[cj:a]


;LB[cj:a]
)
