(;GM[1]FF[4]SZ[19]
GN[Carpenter's square]
PC[https://senseis.xmp.net/?TwoSquares]AP[GoWiki:2009]
DT[2020-11-30]
C[Diagram from https://senseis.xmp.net/?TwoSquares

Carpenter's square]
PL[B]

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


;CR[bb]
LN[bb:db][db:dd][dd:bd][bd:bb]
)
