(;GM[1]FF[4]SZ[19]
GN[Still a ko?]
PC[http://senseis.xmp.net/?Butterfly]AP[GoWiki:2009]
DT[2016-10-03]
C[Diagram from http://senseis.xmp.net/?Butterfly

Still a ko?]
PL[W]

AB[eb][dc][gc][dd][ce][bf][cf][cg]
AW[db][cc][cd][be][de]

;W[bb]C[W1]MN[1]
;B[da]C[B2]MN[2]
;W[ad]C[W3]MN[3]
;B[af]C[B4]MN[4]
;W[cb]C[W5]MN[5]
;B[bd]C[B6]MN[6]
;W[bc]C[W7]MN[7]
;B[ae]C[B8]MN[8]

;
)
