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Problem 5806
by bass
life and death
Instruction Required, Amateur Game, Corner based

This kind of corner situation occurred in of one of my games at the London Open Go Congress 2004 (although the outside shape has been simplified quite a lot here..) The status of the groups is, to say the least, non-trivial. I just analyzed it for quite some time, hope I got it right. As usual, if you find an error, please add a comment. (Thanks to tenbatsu, lok and tankero for doing so)

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