(;GM[1]FF[4]SZ[19]
GN[Failure 1]
PC[http://senseis.xmp.net/?RTGProblem50/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem50/Attempts

Failure 1]
PL[B]

AB[ea][eb][ec][dd][ae][be][ce][de]
AW[cb][db][ac][bd][cd]

;B[cc]C[B1]MN[1]
;W[dc]C[W2]MN[2]
;B[bb]C[B3]MN[3]
;W[ba]C[W4]MN[4]

;
)
