(;GM[1]FF[4]SZ[19]
GN[Mistake]
PC[http://senseis.xmp.net/?SmallAvalanche]AP[GoWiki:2009]
DT[2010-03-02]
C[Diagram from http://senseis.xmp.net/?SmallAvalanche

Mistake]
PL[W]

AB[dc][cd][ce][df]
AW[ec][dd][de]
LB[cb:a]

;W[cc]C[W1]MN[1]
;B[db]C[B2]MN[2]
;W[bc]C[W3]MN[3]
;B[bb]C[B4]MN[4]

;LB[cb:a]
)
