(;GM[1]FF[4]SZ[19]
GN[Variation at 8]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem20/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem20/Solution

Variation at 8]
PL[W]

AB[bq][cq][dq][eq][ar][er][bs]
AW[co][bp][dp][ep][fq][hq][br][cr][fr][ds]
CR[cp]

;W[cs]C[W1]MN[1]
;B[es]C[B2]MN[2]
;W[as]C[W3]MN[3]
;B[aq]C[B4]MN[4]
;W[fs]C[W5]MN[5]
;B[dr]C[B6]MN[6]

;CR[cp]
)
