(;GM[1]FF[4]SZ[19]
GN[Variation]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem30/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem30/Solution

Variation]
PL[B]

AB[da][db][dc][hc][jc][dd][fd][ce]
AW[bb][cb][eb][fc][bd][gd][be][fe][ef][cg]

;B[gc]C[B1]MN[1]
;W[ed]C[W2]MN[2]
;B[fb]C[B3]MN[3]
;W[gb]C[W4]MN[4]
;B[fa]C[B5]MN[5]
;W[ec]C[W6]MN[6]
;B[ea]C[B7]MN[7]

;
)
