Double Torus · reference 18 of 432

Reference 18 — to paper 18

This is a reference only — the reverse fold of paper 18.

• Paper root — 4b12b8c4-8718-8af7-97ac-9bcaf685d991
• Reference root — 2fbd2760-295a-81fe-835e-0ddfb38e0e7e

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