(;GM[1]FF[4]SZ[4:3]
GN[W to play]
PC[http://senseis.xmp.net/?GroupTax/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GroupTax/Discussion

W to play]
PL[W]

AB[ca][cb][db][cc]
AW[ba][bb][bc]


;
)
