(;GM[1]FF[4]SZ[19]
GN[Variation]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem72/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem72/Solution

Variation]
PL[W]

AB[bk][ck][dk][el][em][cn][en][eo][cp][dp][bq][cr]
AW[bl][cl][dl][bm][dm][dn][bo][co][do][bp]

;B[ap]C[B4]MN[4]
;W[al]C[W5]MN[5]
;B[an]C[B6]MN[6]
;W[ao]C[W7]MN[7]
;B[bn]C[B8]MN[8]

;
)
