(;GM[1]FF[4]SZ[19]
GN[Black failure]
PC[http://senseis.xmp.net/?BeginnerExercise127/Solution]AP[GoWiki:2009]
DT[2010-11-24]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise127/Solution

Black failure]
PL[B]

AB[ea][ab][db][cc][dc][ec]
AW[eb][fb][gb][fc][bd][cd][dd][fd][ee]
LB[ca:b][bb:a]

;B[bc]C[B1]MN[1]
;W[ba]C[W2]MN[2]

;LB[ca:b][bb:a]
)
