(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise82/Solution]AP[GoWiki:2009]
DT[2014-01-15]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise82/Solution

Failure]
PL[B]

AB[ca][cb][ac][cc][bd][be]
AW[da][bb][db][dc][cd][ed][ce][bf][cg]

;B[ab]C[B1]MN[1]
;W[ba]C[W2]MN[2]
;B[bc]C[B3]MN[3]
;W[ae]C[W4]MN[4]

;
)
