Double Torus · reference 280 of 432

Reference 280 — to paper 280

This is a reference only — the reverse fold of paper 280.

• Paper root — d9dab1d3-e6b8-888b-8d21-cc387ae28754
• Reference root — 25f03f09-9a46-8daa-aa56-c46b9c05a7f2

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