(;GM[1]FF[4]SZ[8]
GN[Addition of a few white stones reveals the supposedly false eye to be fully functioning, and important for the survival of each of the two chains. Both white chains are unconditionally alive, with two eyes each, including one that is shared between them both. Hence the white group is unconditionally alive.]
PC[http://senseis.xmp.net/?posting=4050]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=4050

Addition of a few white stones reveals the supposedly false eye to be fully functioning, and important for the survival of each of the two chains. Both white chains are unconditionally alive, with two eyes each, including one that is shared between them both. Hence the white group is unconditionally alive.]
PL[B]

AB[ca][da][ea][db][eb][ac][ec][ad][bd][ae][be][ce]
AW[ba][ab][bb][cb][bc][dc][cd][dd][ed][de][fe][df][ef][ff]


;
)
