(;GM[1]FF[4]SZ[19]
GN[Thickness]
PC[http://senseis.xmp.net/?ThicknessExample10]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ThicknessExample10

Thickness]
PL[B]

AB[eb][ec][ed][be][ce][de][ee]
AW[bb][db][dc][bd][cd][dd]


;
)
