(;GM[1]FF[4]SZ[31:19]
GN[Prevent the rectangle with two stones on the frame]
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 two stones on the frame]
PL[B]

AB[bi][di][ei][hi][ji][ki][ni][pi][qi][ti][ui][vi][wi][bj][ej][hj][kj][nj][qj][bk][dk][ek][hk][ik][kk][nk][ok][pk][tk][uk][vk][wk]
AW[ci][ii][oi][tj][wj][ck][jk][qk]


;
)
