(;GM[1]FF[4]SZ[19]
GN[Failure.]
PC[http://senseis.xmp.net/?KyuExercise52/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise52/Solution

Failure.]
PL[W]

AB[ba][db][eb][bc]
AW[fb][fc][bd][dd][ed][be][df]

;W[ac]C[W1]MN[1]
;B[ab]C[B2]MN[2]
;W[cc]C[W3]MN[3]
;B[cb]C[B4]MN[4]

;
)
