(;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]

;B[bo]C[B2]MN[2]

;
)
