(;GM[1]FF[4]SZ[19]
GN[White failure]
PC[http://senseis.xmp.net/?BeginnerExercise21/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise21/Solution

White failure]
PL[W]

AB[dl][cm][dn][gn][hn][bo][do][fo][ho][cp][fp][hp][bq][dq][eq][hq][br][gr][hr]
AW[gl][fm][cn][fn][go][gp][cq][fq][gq][cr][dr][er][fr]

;W[ep]C[W1]MN[1]
;B[eo]C[B2]MN[2]
;W[dp]C[W3]MN[3]

;
)
