(;GM[1]FF[4]SZ[19]
GN[White to make ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem79]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem79

White to make ko]
PL[W]

AB[da][cb][hb][dc][ic][dd][de][ee][he][ie][ff][gf]
AW[db][eb][gb][ec][gc][ed][gd][fe][ge]


;
)
