(;GM[1]FF[4]SZ[19]
GN[Failure 2]
PC[https://senseis.xmp.net/?BeginnerExercise162/Solution]AP[GoWiki:2009]
DT[2024-09-13]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise162/Solution

Failure 2]
PL[W]

AB[ab][bb][cb][db][dc][ec][fc][cd][ce][ee][cf]
AW[da][eb][fb][gb][bc][cc][gc][bd][gd][be][fe][bf][ff][cg][dg][eg]

;W[df]C[W1]MN[1]
;B[de]C[B2]MN[2]
;W[ed]C[W3]MN[3]
;B[fd]C[B4]MN[4]

;
)
