(;GM[1]FF[4]SZ[19]
GN[Black cannot escape]
PC[http://senseis.xmp.net/?PreventingEscapeOnTheFirstLine]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PreventingEscapeOnTheFirstLine

Black cannot escape]
PL[B]

AB[da][ab][bb][cb][db]
AW[ba][eb][fb][bc][cc][dc][ec][be]


;
)
