according your input, your first result (577 | 64)
should have been:
641

I don't know...
and as the [american]guru's aren't responding, I think you could ask this directly from ruud...
you know, to get direct answer.
then also let us know what he has to say.

you cathced surely thing that has bothered me but I've been too lazy to ask about it.

cheers.

 
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