(;GM[1]FF[4]SZ[19]
GN[[big P\]]
PC[http://senseis.xmp.net/?CornerShapes]AP[GoWiki:2009]
DT[2010-06-15]
C[Diagram from http://senseis.xmp.net/?CornerShapes

[big P\]]
PL[W]

AB[ca][cb][bc][cc][bd][ae][be]
AW[da][db][dc][cd][ce][af][bf][df]
SQ[bb][ac]
LB[ab:a]


;SQ[bb][ac]
LB[ab:a]
)
