English: Examples of co-uniform tilings containing all 10 types of edges (3–3, 3–4, 3–6, 3–12, 4–4, 4–6, 4–12, 6–6, 6–12, 12–12). From left to right is n=18,23,12 co-uniform tiling. Any co-uniform tiling containing O3I must have all edges.
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