(;GM[1]FF[4]SZ[9]
GN[Can Black keep the margin to 3?]
PC[http://senseis.xmp.net/?PracticalEndgameTest1/Solution3]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PracticalEndgameTest1/Solution3

Can Black keep the margin to 3?]
PL[B]

AB[bb][cc][cd][ed][gd][hd][be][fe][he][af][cf][df][ef][ff][bg][fg][gg][hh][ei][fi][gi][hi]
AW[ba][cb][eb][dc][fc][gc][hc][fd][id][de][ee][ge][cg][dg][eg][ah][bh][dh][eh][fh][gh][ci][di]
CR[id]


;CR[id]
)
