Quote:
Originally Posted by pdurrant
A corner sink on an ocean liner.
I know, not the right answer, but, I think, it fits the bill.
[EDIT: having looked it up, the answer you're looking for is a lot more elegant. Although I think it's fair to say it's unlikely to go more than half way around the world.]
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A reasonable guess, and comment. I'll take it up with the original question setter

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