(;GM[1]FF[4]SZ[19]
GN[Black to make ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem41]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem41

Black to make ko]
PL[B]

AB[fa][gb][hb][hc][bd][dd][ed][hd][be][ce][ge]
AW[bb][db][fb][bc][cc][dc][fc][gc][cd]


;
)
