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

Mistake]
PL[W]

AB[bb][bc][dc][ec][cd][ce][ee][cf][bg][cg]
AW[cb][db][eb][cc][fc][gc][bd][be][bf]

;W[ab]C[W1]MN[1]
;B[ac]C[B2]MN[2]
;W[ba]C[W3]MN[3]

;
)
