(;GM[1]FF[4]SZ[19]
GN[Variation: no ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem64/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem64/Solution

Variation: no ko]
PL[B]

AB[ep][fp][dq][fq][hq][dr][hr]
AW[eo][fo][cp][dp][gp][hp][jp][cq][iq][cr][ir]

;B[er]C[B1]MN[1]
;W[gr]C[W2]MN[2]
;B[gq]C[B3]MN[3]
;W[hs]C[W4]MN[4]
;B[fr]C[B5]MN[5]
;W[fs]C[W6]MN[6]
;B[es]C[B7]MN[7]

;
)
