(;GM[1]FF[4]SZ[19]
GN[Thickness]
PC[http://senseis.xmp.net/?ThicknessExample8]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ThicknessExample8

Thickness]
PL[B]

AB[dc][ec][cd][be][ce][ee]
AW[bb][cb][ac][cc][bd][dd]
LB[fd:b][df:a]


;LB[fd:b][df:a]
)
