(;GM[1]FF[4]SZ[19]
GN[no ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem25/Attempts]AP[GoWiki:2009]
DT[2009-07-10]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem25/Attempts

no ko]
PL[B]

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

;B[ba]C[B1]MN[1]
;W[ea]C[W2]MN[2]
;B[ac]C[B3]MN[3]
;W[ad]C[W4]MN[4]
;B[ae]C[B5]MN[5]

;
)
