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

Unremovable ko threat]
PL[B]

AB[ca][cb][ac][bc][cc][bd][ae][be]
AW[ba][da][ab][db][dc][cd][dd][ce][af][bf][cf]
LB[aa:b][bb:a]


;LB[aa:b][bb:a]
)
