(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?L1Group]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?L1Group

Main line]
PL[W]

AB[ca][ea][bb][cb][db][cc][ad][bd][cd][ae]
AW[aa][ba][ab][eb][fb][ac][dc][dd][be][ce][ee][af][bg]

;W[fa]C[W1]MN[1]

;
)
