(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[https://senseis.xmp.net/?BeginnerExercise93/Solution]AP[GoWiki:2009]
DT[2024-09-06]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise93/Solution

Failure]
PL[B]

AB[hp][ip][jp][fq][gq][kq][lq][fr][lr][fs][ls]
AW[kp][lp][mp][hq][iq][jq][mq][gr][kr][gs][is][ks]

;B[hr]C[B1]MN[1]
;W[mr]C[W2]MN[2]
;B[ir]C[B3]MN[3]
;W[ms]C[W4]MN[4]

;
)
