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| Idea (2008): The π-electrons take the form of
Torus Links for cycles with EVEN linking number, and adhere to 4n+2. |
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| L0a1: Benzene
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| | L2a1: Bernoulli Lemniscate in 3D!
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| L4a1: Roman mosaics
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| L6a1: Star of David necklaces.
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The Knot atlas and the Knotilus Gallery
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