(;GM[1]FF[4]SZ[5]
GN[Minus one half]
PC[http://senseis.xmp.net/?NumbersInGone]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?NumbersInGone

Minus one half]
PL[B]

AB[aa][ba][ca][da][ea][ab][bc][ad][bd][cd][dd]
AW[bb][cb][db][eb][cc][dc][ed][ae][be][de][ee]


;
)
