(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?KyuExercise9/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise9/Solution

Failure]
PL[B]

AB[nf][qf][pg][rg][nh][qh][oj][sj][ok][qk][rk][sk][ol][pm][rm][pn][rn]
AW[pi][ri][pj][rj][pk][pl][ql][rl][sl]

;B[qi]C[B1]MN[1]
;W[qj]C[W2]MN[2]
;B[si]C[B3]MN[3]
;W[sh]C[W4]MN[4]

;
)
