(;GM[1]FF[4]SZ[19]
GN[Black takes advantage (sente)]
PC[http://senseis.xmp.net/?AjiKeshi]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?AjiKeshi

Black takes advantage (sente)]
PL[B]

AB[hc][cd][dd][ed][be][cf]
AW[bc][cc][dc][fc][bd]

;B[fb]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[ec]C[W4]MN[4]

;
)
