(;GM[1]FF[4]SZ[19]
GN[[Open J Group\]]
PC[https://senseis.xmp.net/?CornerShapes]AP[GoWiki:2009]
DT[2021-07-21]
C[Diagram from https://senseis.xmp.net/?CornerShapes

[Open J Group\]]
PL[B]

AB[cb][cc][cd][ae][be]
AW[db][fb][dc][dd][ce][bf][cf][bh]


;
)
