(;GM[1]FF[4]SZ[19]
GN[Butterfly]
PC[http://senseis.xmp.net/?HowToWinAgainst9StoneHandicap]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?HowToWinAgainst9StoneHandicap

Butterfly]
PL[B]

AB[gc][dd][cg]
CR[gc]
LB[ec:a]


;CR[gc]
LB[ec:a]
)
