(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem225/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem225/Solution

Solution]
PL[W]

AB[bn][dn][co][cp][cq][cr]
AW[bl][dl][cm][fm][eo][bp][ep][bq][eq][er][es]

;W[bo]C[W1]MN[1]
;B[cn]C[B2]MN[2]
;W[bs]C[W3]MN[3]
;B[cs]C[B4]MN[4]
;W[ao]C[W5]MN[5]
;B[an]C[B6]MN[6]
;W[br]C[W7]MN[7]

;
)
