(;GM[1]FF[4]SZ[19]
GN[Black to save his group with ko.]
PC[http://senseis.xmp.net/?KyuExercise7]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise7

Black to save his group with ko.]
PL[B]

AB[cb][db][bc][ec][dd][ed][be][de][bf][cf][df]
AW[bb][eb][fb][cc][dc][fc][ad][bd][cd][fd][ce][fe][ff][bg][dg][eg][bh]


;
)
