(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem55/Solution]AP[GoWiki:2009]
DT[2013-07-22]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem55/Solution

]
PL[W]

AB[mn][mo][oo][po][qo][ep][fp][lp][qp][eq][gq][iq][jq][kq][lq][dr][gr][hr][jr][lr][qr][rr][js]
AW[kn][do][eo][fo][lo][cp][gp][hp][ip][jp][kp][mp][np][op][pp][fq][hq][mq][pq][fr][ir][mr][pr][is]

;W[nr]C[W1]MN[1]
;B[ms]C[B2]MN[2]
;W[oq]C[W3]MN[3]
;B[os]C[B4]MN[4]
;W[ps]C[W5]MN[5]
;B[ns]C[B6]MN[6]
;W[ls]C[W7]MN[7]
;B[ks]C[B8]MN[8]
;W[or]C[W9]MN[9]

;
)
