Double Torus · reference 139 of 432

Reference 139 — to paper 139

This is a reference only — the reverse fold of paper 139.

• Paper root — 3ad1cc70-34f6-8644-8f9c-7fa7e9f9c454
• Reference root — 23414553-5206-8e4c-8b85-e2ddda90f180

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