(;GM[1]FF[4]SZ[19]
GN[Failure IV]
PC[http://senseis.xmp.net/?KyuExercise59/Solution]AP[GoWiki:2009]
DT[2012-12-04]
C[Diagram from http://senseis.xmp.net/?KyuExercise59/Solution

Failure IV]
PL[W]

AB[da][ea][db][bc][dc][cd][be]
AW[fa][eb][fb][ec][dd][ce][de][bf]
CR[ba][ad]

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

;CR[ba][ad]
)
