(;GM[1]FF[4]SZ[19]
GN[[Three-space extension\]]
PC[http://senseis.xmp.net/?Kokiri/wop]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Kokiri/wop

[Three-space extension\]]
PL[W]

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


;LB[ch:a]
)
