(;GM[1]FF[4]SZ[9]
GN[27 Stones: Counterexample]
PC[http://senseis.xmp.net/?ConstructionProblem1/Attempts]AP[GoWiki:2009]
DT[2012-02-24]
C[Diagram from http://senseis.xmp.net/?ConstructionProblem1/Attempts

27 Stones: Counterexample]
PL[B]

AB[bb][cb][db][eb][fb][gb][bc][ec][hc][bd][ed][hd][be][ee][he][bf][ef][hf][bg][eg][hg][ch][dh][eh][fh][gh][hh]
AW[ba][ca][da][ea][fa][ga][ha][ab][ib][ac][ic][ad][id][ae][ie][af][if][ag][ig][ah][ih][bi][ci][di][ei][fi][gi][hi]


;
)
