(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[https://senseis.xmp.net/?BeginnerExercise137/Solution]AP[GoWiki:2009]
DT[2022-10-22]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise137/Solution

Failure]
PL[W]

AB[da][ea][ka][db][fb][jb][lb][nb][bc][dc][ec][fc][hc][jc][kc][oc][bd][cd][ld][md][nd]
AW[ca][cb][gb][hb][ib][cc][gc][ic][lc][mc][qc][dd][ed][fd][jd][kd][ie][qe]

;W[ga]C[W1]MN[1]
;B[fa]C[B2]MN[2]
;W[ia]C[W3]MN[3]
;B[ja]C[B4]MN[4]

;
)
