Also known as the 'true lovers knot' I believe: https://en.wikipedia.org/wiki/True_lover%27s_knot https://en.wikipedia.org/wiki/True_lover%27s_knot (It isn't

Also known as the 'true lovers knot' I believe: https://en.wikipedia.org/wiki/True_lover%27s_knot https://en.wikipedia.org/wiki/True_lover%27s_knot (It isn't the smallest non-alternating knot. This page says 8_19 is the smallest. https://mathworld.wolfram.com/NonalternatingKnot.html https://mathworld.wolfram.com/NonalternatingKnot.html)