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

Two Groups]
PL[W]

AW[aa][ca][bb][cb][ac][bc][cc]


;
)
