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

Double Ko]
PL[B]

AB[ba][da][ea][ab][eb][ec]
AW[ca][bb][db][ac][cc][dc][bd][cd]

;B[cb]C[B1]MN[1]
;W[aa]C[W2]MN[2]

;
)
