(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?BeginnerExercise48/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise48/Solution

Failure]
PL[W]

AB[qa][ob][rb][sb][oc][pc][qc]
AW[ra][lb][nb][nc][rc][nd][od][pd][qd][rd]

;W[oa]C[W1]MN[1]
;B[pa]C[B2]MN[2]
;W[qb]C[W3]MN[3]
;B[na]C[B4]MN[4]

;
)
