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

Problem]
PL[W]

AB[da][cb][cc][bd][cd][be][af]
AW[db][fb][dc][dd][ce][de][bf][bg][dg]
CR[da][af]


;CR[da][af]
)
