(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise285/Solution]AP[GoWiki:2009]
DT[2009-05-14]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise285/Solution

Failure]
PL[B]

AB[bj][cj][dj][fj][fk][el][gl][bm][fm][bn][co][fo][dp][ep][fp][bq][ar][cr][fr][bs]
AW[ck][ek][al][cl][cm][em][cn][en][bo][do][eo][cq][dr]

;B[cp]C[B1]MN[1]
;W[an]C[W2]MN[2]
;B[bp]C[B3]MN[3]
;W[ao]C[W4]MN[4]

;
)
