(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise29/Solution]AP[GoWiki:2009]
DT[2009-07-14]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise29/Solution

Failure]
PL[B]

AB[cb][db][eb][fc][dd][ed][fd][ae][be][ce][de]
AW[bb][fb][gb][cc][dc][ec][gc][ad][bd][cd][gd][ge][ef][bg][dg]

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

;
)
