(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise169/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise169/Solution

Failure]
PL[B]

AB[pa][pb][sb][qc][rc]
AW[oa][ob][rb][oc][pc][qd][rd][sd]

;B[qb]C[B1]MN[1]
;W[ra]C[W2]MN[2]

;
)
