(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem337/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem337/Solution

]
PL[W]

AB[cm][cn][co][dp][aq][bq][cq][cr][dr][er][as][bs]
AW[cj][bk][cl][bm][dm][dn][eo][ep][dq][eq][fq][fr][ds][es]

;W[bo]C[W1]MN[1]
;B[bn]C[B2]MN[2]
;W[an]C[W3]MN[3]
;B[ao]C[B4]MN[4]
;W[ap]C[W5]MN[5]
;B[bp]C[B6]MN[6]

;
)
