(;GM[1]FF[4]SZ[19]
GN[The L-group]
PC[http://senseis.xmp.net/?LGroup]AP[GoWiki:2009]
DT[2011-01-15]
C[Diagram from http://senseis.xmp.net/?LGroup

The L-group]
PL[B]

AB[cb][cc][bd][cd]
AW[db][eb][dc][dd][be][ce][ee][bf]


;
)
