(;GM[1]FF[4]SZ[19]
GN[Double ko]
PC[http://senseis.xmp.net/?OD1PAug14Problem/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug14Problem/Solution

Double ko]
PL[B]

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

;B[ds]C[B1]MN[1]

;
)
