(;GM[1]FF[4]SZ[8:7]
GN[L-group, Two squares solution]
PC[https://senseis.xmp.net/?TwoSquares]AP[GoWiki:2009]
DT[2023-08-24]
C[Diagram from https://senseis.xmp.net/?TwoSquares

L-group, Two squares solution]
PL[B]

AB[ec][cd][dd][ed]
AW[fc][hc][fd][ce][de][ee][fe][cg]
LN[aa:ca][ca:cc][cc:ac][ac:aa]

;B[eb]C[B1]MN[1]
;W[bd]C[W2]MN[2]
;B[bc]C[B3]MN[3]
;W[cb]C[W4]MN[4]

;LN[aa:ca][ca:cc][cc:ac][ac:aa]
)
