(;GM[1]FF[4]SZ[19]
GN[Failure.]
PC[http://senseis.xmp.net/?BeginnerExercise138/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise138/Solution

Failure.]
PL[W]

AB[ba][bb][cc][bd][cd][be][af][bf]
AW[cb][db][bc][ec][ad][ed][ce][de][ag][bg][cg][eg]

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

;
)
