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

A variation]
PL[W]

AB[fb][ec][fc][gc][cd][dd][be][cf]
AW[eb][bc][cc][dc][bd][ed]

;W[ee]C[W1]MN[1]
;B[df]C[B2]MN[2]
;W[da]C[W3]MN[3]
;B[ff]C[B4]MN[4]

;
)
