(;GM[1]FF[4]SZ[19]
GN[Black is alive]
PC[http://senseis.xmp.net/?BQM536]AP[GoWiki:2009]
DT[2011-04-04]
C[Diagram from http://senseis.xmp.net/?BQM536

Black is alive]
PL[W]

AB[ba][bb][cc][gc][bd][cd][dd][fd][hd][be][ee][fe][ge]
AW[da][cb][eb][gb][dc][ec][fc][ed][ce][de][bf][cg]

;W[ac]C[W1]MN[1]
;B[ab]C[B2]MN[2]
;W[ae]C[W3]MN[3]
;B[bc]C[B4]MN[4]

;
)
