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TrefoilKnot. Trefoil knot left svg author User Rybu source this is the mirror image of Image TrefoilKnot en Rybu en Rybu original upload log page en TrefoilKnot Rybu bytes no User Rybu source this is the mirror image of Image TrefoilKnot Trefoil knot diagrams with fold rotational symmetry Black line knots and links Knots