(;GM[1]FF[4]SZ[19]
GN[Try for ko]
PC[http://senseis.xmp.net/?33PointInvasionQuery6]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?33PointInvasionQuery6

Try for ko]
PL[B]

AB[dc][dd][ce]
AW[cc][cd]
CR[cd]
LB[fb:b][ec:a]

;B[be]C[B1]MN[1]
;W[db]C[W2]MN[2]
;B[eb]C[B3]MN[3]
;W[bb]C[W4]MN[4]
;B[bd]C[B5]MN[5]
;W[bc]C[W6]MN[6]
;B[ca]C[B7]MN[7]
;W[da]C[W8]MN[8]
;B[ac]C[B9]MN[9]

;CR[cd]
LB[fb:b][ec:a]
)
