(;GM[1]FF[4]SZ[19]
GN[Black lives]
PC[http://senseis.xmp.net/?OD1PAug12Problem/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug12Problem/Solution

Black lives]
PL[B]

AB[do][eo][bp][cp][cq][br][cr]
AW[cm][em][bn][cn][fn][co][go][dp][hp][aq][dq][hq][dr][hr]

;B[er]C[B1]MN[1]
;W[eq]C[W2]MN[2]
;B[cs]C[B3]MN[3]
;W[ap]C[W4]MN[4]
;B[fq]C[B5]MN[5]
;W[fr]C[W6]MN[6]
;B[ep]C[B7]MN[7]
;W[es]C[W8]MN[8]
;B[ds]C[B9]MN[9]

;
)
