(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[https://senseis.xmp.net/?KyuExercise109/Solution]AP[GoWiki:2009]
DT[2023-02-22]
C[Diagram from https://senseis.xmp.net/?KyuExercise109/Solution

Failure]
PL[W]

AB[da][bb][db][dc][cd][dd][ae][be][bf]
AW[ba][fa][eb][fb][ec][ed][ce][de][ee][cf][ag][bg][cg]

;W[bc]C[W1]MN[1]
;W[bd]C[W3]MN[3]
;B[ab]C[B4]MN[4]
;W[ad]C[W5]MN[5]
;B[cc]C[B6]MN[6]
;W[af]C[W7]MN[7]
;B[ca]C[B8]MN[8]

;
)
