Double Torus · reference 257 of 432

Reference 257 — to paper 257

This is a reference only — the reverse fold of paper 257.

• Paper root — 582db963-45cd-8f6d-8b34-e449af3b10d3
• Reference root — f16d0780-0e0a-821a-8916-b907a172c2e7

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