(;GM[1]FF[4]SZ[19]
GN[Prevent the rectangle with a dagger]
PC[https://senseis.xmp.net/?TwoSquares]AP[GoWiki:2009]
DT[2020-01-14]
C[Diagram from https://senseis.xmp.net/?TwoSquares

Prevent the rectangle with a dagger]
PL[B]

AB[eg][gg][hg][kg][lg][mg][ng][eh][hh][nh][ei][fi][gi][hi][ki][li][mi][ni][gk][hk][lk][mk][nk][hl][nl][fm][gm][hm][lm][mm][nm]
AW[fg][fh][kh][lh][fk][fl][ll]
CR[lh][fl][ll]


;CR[lh][fl][ll]
)
