(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise171/Solution]AP[GoWiki:2009]
DT[2010-08-11]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise171/Solution

Failure]
PL[W]

AB[bb][cb][hb][ac][cc][dc][gc][hc][bd][ce][fe][he][df][ff][fg][hg][eh]
AW[db][fb][gb][ec][cd][dd][ed][be][cg][dg][gh][di][ei][fi][cj]

;W[de]C[W1]MN[1]
;B[cf]C[B2]MN[2]
;W[ef]C[W3]MN[3]
;B[bf]C[B4]MN[4]
;W[af]C[W5]MN[5]
;B[ae]C[B6]MN[6]

;
)
