(;GM[1]FF[4]SZ[19]
GN[Snapback]
PC[http://senseis.xmp.net/?L2Group/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?L2Group/Discussion

Snapback]
PL[W]

AB[ca][cb][db][bc][cc][bd][cd][ae][be]
AW[aa][ba][da][bb][eb][ac][dc][ec][dd][ce][ee][bf][cf]

;B[ab]C[B10]MN[10]

;
)
