(;GM[1]FF[4]SZ[19]
GN[Free boundary]
PC[http://senseis.xmp.net/?FreeAndFixedBoundaries]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?FreeAndFixedBoundaries

Free boundary]
PL[B]

AB[pd][pj][pp]
AW[dd][dj][dp]
LB[fc:b][fd:a][gd:c]

;B[jd]C[B1]MN[1]

;LB[fc:b][fd:a][gd:c]
)
