(;GM[1]FF[4]SZ[19]
GN[Black ko?]
PC[http://senseis.xmp.net/?BQM271]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM271

Black ko?]
PL[B]

AB[pm][on][pn][qn][po][pp][qq][qr][rr]
AW[rn][oo][qo][op][qp][rp][oq][pq][rq]

;B[rm]C[B1]MN[1]
;W[sr]C[W2]MN[2]
;B[sq]C[B3]MN[3]
;W[sp]C[W4]MN[4]
;B[ss]C[B5]MN[5]
;W[rs]C[W6]MN[6]
;B[qs]C[B7]MN[7]
;W[pr]C[W8]MN[8]

;
)
