(;GM[1]FF[4]SZ[19]
GN[Black failure 1]
PC[http://senseis.xmp.net/?BeginnerExercise111/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise111/Solution

Black failure 1]
PL[B]

AB[aq][bq][cq][dq][dr][ds]
AW[bo][bp][dp][ep][eq][br][cr][er][gr][cs]

;B[ar]C[B1]MN[1]
;W[bs]C[W2]MN[2]

;
)
