Double Torus · reference 172 of 432

Reference 172 — to paper 172

This is a reference only — the reverse fold of paper 172.

• Paper root — fb9ab734-a4e3-8a32-9ab2-ec4e2acdf95c
• Reference root — 4de2e5c2-bdd2-81ed-aa0d-36fe419df145

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