2 In, 2 Out- Clarification

I've always been taught (and have taught others) that the 2 in, 2 out rule is that if 2 go in, 2 must come out.

However if I'm reading correctly of late on these forums, there's actually variations to what 2 in, 2 out means.

What is to you? Where did it come from?

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Permalink Reply by lutan1 on January 14, 2009 at 4:29pm

I was just thinking that Paul!

It has been interesting to see the differences of the interpretation from across the globe and also the ever so slight variations even across the USA.

Permalink Reply by lutan1 on January 14, 2009 at 4:29pm

Thanks everyone for your input.

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