I love Tourus's. They are magical objects. For those folks that don't know you can create a torus by cutting a strip of paper, say 1 inch down the side of an A4 piece of paper, twist it 180 degrees and glue the ends.
You have now created a piece of paper with only one side. Try it. Run a pen down the inside of the paper, in the middle. You only get one line ?1?!
If you then cut the torus along the centre line you end up with a double torus twice the length. But if you cut the torus one third of it's width you end up with two interlinked torus's!!!!
Egg
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