(;GM[1]FF[4]SZ[19]
GN[Black to make ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem90]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem90

Black to make ko]
PL[B]

AB[jb][ec][hc][ic][kc][bd][cd][dd][ed][ge][he]
AW[eb][gb][hb][ib][cc][dc][gc][gd]


;
)
