(;GM[1]FF[4]SZ[19]
GN[Variation at 7]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem80/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem80/Solution

Variation at 7]
PL[B]

AB[gn][co][do][eo][fo][cp][fp][bq][cq][dq][br][dr][er][bs]
AW[fl][bm][em][hm][cn][hn][bo][bp][dp][ep][gp][hp][eq][fq][kq][fr][cs][ds][es]

;B[fs]C[B1]MN[1]
;W[gs]C[W2]MN[2]
;B[cr]C[B3]MN[3]
;B[gq]C[B5]MN[5]
;W[hq]C[W6]MN[6]

;
)
