(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise338/Solution]AP[GoWiki:2009]
DT[2016-05-14]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise338/Solution

Failure]
PL[B]

AB[cn][dn][en][fn][bo][fo][ho][lo][bp][gp][ip][bq][jq][kq][mq][cr][dr][er][kr]
AW[gn][hn][in][eo][go][jo][fp][cq][dq][eq][fq][fr][gr][ir][jr]

;B[do]C[B1]MN[1]
;W[hq]C[W2]MN[2]
;B[hp]C[B3]MN[3]
;W[hs]C[W4]MN[4]

;
)
