(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise131/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise131/Discussion

Failure]
PL[B]

AB[cb][db][eb][ac][bc][cc]
AW[ab][bb][fb][gb][dc][ec][fc][ad][bd][cd][dd]

;B[ea]C[B1]MN[1]
;W[ba]C[W2]MN[2]
;B[ca]C[B3]MN[3]

;
)
