(;GM[1]FF[4]SZ[19]
GN[The last position once again  after Black takes one ko]
PC[http://senseis.xmp.net/?OD1PAug14Problem/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug14Problem/Attempts

The last position once again  after Black takes one ko]
PL[B]

AB[dp][ep][aq][bq][cq][eq][fq][ar][er][ds][fs]
AW[co][do][eo][ho][bp][cp][fp][gp][hq][br][dr][gr][as][cs]

;W[cr]C[W2]MN[2]
;B[dq]C[B3]MN[3]
;W[fr]C[W10]MN[10]

;
)
