(;GM[1]FF[4]SZ[19]
GN[ko?]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem25/Attempts]AP[GoWiki:2009]
DT[2009-07-10]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem25/Attempts

ko?]
PL[W]

AB[bb][cb][fb][bc][fc][ed][fd][be][ce][de][cg]
AW[ca][db][eb][cc][ec][bd][cd][dd]

;W[ad]C[W1]MN[1]
;B[ba]C[B2]MN[2]
;W[ea]C[W3]MN[3]
;B[fa]C[B4]MN[4]
;W[ac]C[W5]MN[5]
;B[ae]C[B6]MN[6]
;W[ab]C[W7]MN[7]

;
)
