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

Black failure]
PL[B]

AB[dd][jd][cg]
AW[fc][cd][fe]
CR[cd]

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

;CR[cd]
)
