(;GM[1]FF[4]SZ[19]
GN[Variation at W 8]
PC[http://senseis.xmp.net/?OD1PAug13Problem/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug13Problem/Solution

Variation at W 8]
PL[W]

AB[cn][bo][do][eo][fo][ap][dp][dq][eq][br][cr][er][ds]
AW[bm][cm][dm][fm][bn][gn][co][go][cp][ep][fp][hp][bq][cq][fq][ar][fr][fs]
CR[cn]

;W[aq]C[W1]MN[1]
;B[bs]C[B2]MN[2]
;W[es]C[W3]MN[3]
;B[dn]C[B4]MN[4]
;W[an]C[W5]MN[5]
;B[as]C[B6]MN[6]

;CR[cn]
)
