(;GM[1]FF[4]SZ[19]
GN[Black to kill]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem7]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem7

Black to kill]
PL[B]

AB[cc][gc][bd][cd][dd][ed][fd]
AW[bb][cb][bc][dc][ec]


;
)
