(;GM[1]FF[4]SZ[19]
GN[variation]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem17/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem17/Solution

variation]
PL[W]

AB[eb][fb][bc][cc][dc][cg]
AW[db][gb][ec][gc][bd][cd][dd][ed]

;W[ac]C[W1]MN[1]
;B[bb]C[B2]MN[2]
;W[ab]C[W3]MN[3]
;B[da]C[B4]MN[4]
;W[fa]C[W5]MN[5]
;B[cb]C[B6]MN[6]
;W[ba]C[W7]MN[7]

;
)
