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Ito N, Takimura Y. Any Nontrivial Knot Projection with No Triple Chords Has a Monogon or a Bigon. Top Proc [Internet]. 2021 Aug. 20 [cited 2026 Jun. 30];60:31-44. Available from: https://www.topologyproceedings.org/index.php/tp/article/view/59