(;GM[1]FF[4]SZ[19]
GN[Groups and Encapsulated]
PC[https://senseis.xmp.net/?TwoSquares]AP[GoWiki:2009]
DT[2024-01-10]
C[Diagram from https://senseis.xmp.net/?TwoSquares

Groups and Encapsulated]
PL[B]

AB[bb][eb][fb][gb][hb][hc][bg][cg][ch]
AW[bd][be][fe][ef][ff][gf][eg][fg][eh]
CR[ff]


;CR[ff]
)
