(;GM[1]FF[4]SZ[19]
GN[Black's failure 1]
PC[http://senseis.xmp.net/?BeginnerExercise56/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise56/Solution

Black's failure 1]
PL[B]

AB[hp][ip][jp][hq][kq][hr][jr][kr]
AW[go][ho][io][jo][ko][lo][gp][lp][gq][iq][lq][er][gr][lr][nr]
LB[ir:b][js:a]

;B[hs]C[B1]MN[1]
;W[ks]C[W2]MN[2]

;LB[ir:b][js:a]
)
