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

Approach ko]
PL[W]

AB[bb][bc][dc][cd][dd][ce][cf][cg][bh]
AW[cb][db][cc][ec][fc][bd][be][bf]
LB[bg:a]

;W[ac]C[W1]MN[1]
;B[ad]C[B2]MN[2]
;W[ae]C[W3]MN[3]
;B[ab]C[B4]MN[4]
;W[ba]C[W5]MN[5]

;LB[bg:a]
)
