(;GM[1]FF[4]SZ[19]
GN[Black to make ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem87]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem87

Black to make ko]
PL[B]

AB[bb][gb][cc][ec][fc][cd][dd]
AW[db][hb][bc][gc][ic][bd][ed][fd][gd][ce][cf][ef]


;
)
