(;GM[1]FF[4]SZ[19]
GN[Failure 2]
PC[https://senseis.xmp.net/?BeginnerExercise251/Solution]AP[GoWiki:2009]
DT[2024-09-18]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise251/Solution

Failure 2]
PL[B]

AB[na][ra][nb][oc][od][pd][qd][rd][rf]
AW[sa][ob][pb][qb][rb][rc]
CR[sa]

;B[oa]C[B1]MN[1]
;W[sc]C[W2]MN[2]
;B[sb]C[B3]MN[3]
;W[qa]C[W4]MN[4]

;CR[sa]
)
