(;GM[1]FF[4]SZ[19]
GN[Let us make a ko!]
PC[http://senseis.xmp.net/?BQM501]AP[GoWiki:2009]
DT[2010-01-31]
C[Diagram from http://senseis.xmp.net/?BQM501

Let us make a ko!]
PL[W]

AB[gc][dd][ce][dg]
AW[cg][ch]
CR[dg][ch]

;W[cc]C[W1]MN[1]
;B[dc]C[B2]MN[2]
;W[bd]C[W3]MN[3]
;B[be]C[B4]MN[4]
;W[db]C[W5]MN[5]
;B[eb]C[B6]MN[6]
;W[bb]C[W7]MN[7]
;B[da]C[B8]MN[8]
;W[ca]C[W9]MN[9]

;CR[dg][ch]
)
