(;GM[1]FF[4]SZ[19]
GN[Prevent the rectangle with three stones]
PC[http://senseis.xmp.net/?TwoSquares/Sandbox]AP[GoWiki:2009]
DT[2018-10-20]
C[Diagram from http://senseis.xmp.net/?TwoSquares/Sandbox

Prevent the rectangle with three stones]
PL[B]

AB[ii][ji][ki][hj][kj][ik][jk][kk]
AW[hi][ij][hk]


;
)
