(;GM[1]FF[4]SZ[19]
GN[Avoiding ko (2)]
PC[http://senseis.xmp.net/?JGroup]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?JGroup

Avoiding ko (2)]
PL[W]

AB[ba][ca][cb][bc][cc][cd][ae][be]
AW[aa][bb][db][fb][ac][ec][dd][ce][af][bf][cf]

;W[bd]C[W1]MN[1]
;B[ab]C[B2]MN[2]
;W[ad]C[W3]MN[3]

;
)
