(;GM[1]FF[4]SZ[10:8]
GN[Taking the correct side position first, makes a "gate" that White can't enter.]
PC[https://senseis.xmp.net/?TwoSquares]AP[GoWiki:2009]
DT[2022-11-29]
C[Diagram from https://senseis.xmp.net/?TwoSquares

Taking the correct side position first, makes a "gate" that White can't enter.]
PL[B]

AB[gb][gc][bd][fd][gd][be][ce][de][ee][ff]
AW[cb][bc][cc][ec][fc][cd]
CR[eb][dc]
LN[ca:ea][ea:ec][ec:cc][cc:ca]


;CR[eb][dc]
LN[ca:ea][ea:ec][ec:cc][cc:ca]
)
