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

Iron wall]
PL[W]

AB[ga][gb][gc][gd][ee][ge][cf][df][ef][ff][gf][cg]
AW[da][ea][fa][cb][fb][bc][cc][ec][fc][bd][ed][fd][ae][be][ce][de][fe][bf]


;
)
