Double Torus · reference 68 of 432

Reference 68 — to paper 68

This is a reference only — the reverse fold of paper 68.

• Paper root — 28b245d2-46e4-8902-960a-562edf51f898
• Reference root — 454d9fc4-fd73-8e5b-a9b5-3b421decfb4e

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