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In knot theory, the 7 knot, also known as the septafoil knot, is one of seven prime knots with crossing number seven. It is the simplest torus knot after the trefoil and cinquefoil.
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In knot theory, the 7 knot, also known as the septafoil knot, is one of seven prime knots with crossing number seven. It is the simplest torus knot after the trefoil and cinquefoil.
1800x1800px .mp4
keyboard_arrow_down
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날짜