Double Torus · reference 157 of 432

Reference 157 — to paper 157

This is a reference only — the reverse fold of paper 157.

• Paper root — 867bbf2e-70b8-87fa-bcb7-7d58d9a2a9ae
• Reference root — 4977399b-f965-88db-8105-d806a5422d64

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