(;GM[1]FF[4]SZ[19]
GN[Variation at 7]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem70/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem70/Discussion

Variation at 7]
PL[B]

AB[cn][bo][do][dp][ep][eq][gq][ar][br][fr][es]
AW[ap][bp][cp][cq][dq][dr][er][bs][ds]
LB[bq:a]

;B[as]C[B1]MN[1]
;W[cs]C[W2]MN[2]
;B[aq]C[B3]MN[3]

;LB[bq:a]
)
