(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise73/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise73/Solution

Failure]
PL[B]

AB[nq][oq][pq][qq][qr][rr][rs]
AW[ro][mp][np][op][pp][qp][mq][rq][mr][sr]
LB[pr:a][os:b]

;B[nr]C[B1]MN[1]
;W[ps]C[W2]MN[2]

;LB[pr:a][os:b]
)
