(;GM[1]FF[4]SZ[19]
GN[Black dies]
PC[http://senseis.xmp.net/?OD1PAug18Problem/Failure]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug18Problem/Failure

Black dies]
PL[B]

AB[bb][cb][db][fb][cc]
AW[bc][dc][fc][gc][hc][bd][cd][dd]
LB[da:a][fa:b]

;B[gb]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[ea]C[B3]MN[3]
;W[ec]C[W4]MN[4]
;B[hb]C[B5]MN[5]
;W[ab]C[W6]MN[6]
;B[ba]C[B7]MN[7]
;W[ib]C[W8]MN[8]
;B[ha]C[B9]MN[9]

;LB[da:a][fa:b]
)
