(;GM[1]FF[4]SZ[19]
GN[Black to make ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem42]AP[GoWiki:2009]
DT[2009-12-27]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem42

Black to make ko]
PL[B]

AB[fa][db][fb][hb][ib][dc][cd][dd][gd][hd]
AW[da][ea][cb][cc][ic][jc][kc][bd][fd][ce][fe][ge][je][cf][ef][if]


;
)
