(;GM[1]FF[4]SZ[6:7]
GN[Pyramid Four]
PC[http://senseis.xmp.net/?Nakade]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Nakade

Pyramid Four]
PL[W]

AB[bb][cb][db][bc][dc][ec][bd][ed][be][de][ee][bf][cf][df]
AW[cd]


;
)
