Double Torus · reference 221 of 432

Reference 221 — to paper 221

This is a reference only — the reverse fold of paper 221.

• Paper root — a25e0bc5-e2e2-817f-b4d2-fffd33491429
• Reference root — 256cee64-dd8d-8e44-b4cc-fc3829a96c9c

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