(;GM[1]FF[4]SZ[19]
GN[Black to kill unconditionally]
PC[http://senseis.xmp.net/?posting=10190]AP[GoWiki:2009]
DT[2014-07-28]
C[Diagram from http://senseis.xmp.net/?posting=10190

Black to kill unconditionally]
PL[B]

AB[bb][cb][cc][ec][ed][ce][ee][ef][eg][bh][dh][eh]
AW[bc][cd][dd][be][de][df][cg][dg]
LB[ab:a][ad:b]

;B[af]C[B1]MN[1]
;W[ag]C[W2]MN[2]

;LB[ab:a][ad:b]
)
