How many kinds of Chinese knots are there?

According to the classification of meaning. com

Elementary, intermediate and advanced simple knots

Primary (2 1 species): double knot, ox knot, double money knot, snake knot, diamond knot, flat knot, cross knot, oblique knot, figure-of-eight knot, cross auspicious knot, pipa knot, auspicious knot, Oxford pond knot, Pan Long knot, Peru knot, left and right wheel knot, phoenix tail knot and ice flower.

Intermediate (20 species): long double knot, horizontal double knot, single-line ox knot, group gold knot, ribbon knot, mountain climbing knot, swastika knot, algae well knot, auspicious cloud knot, turtle back knot, treasure knot, star knot, long chin knot, long wing chin knot, long wing chin knot and long dish length.

Advanced (incomplete): long cow's mouth knot, double algae knot, single algae well, six-petal cow's mouth knot, horizontal six-petal cow's mouth knot, kit knot, four-wing plate length, color matching plate length, high building length, double plate length, triplet plate length, three-talent knot, Baomen plate length, Admiralty plate length, diamond plate length, fish plate length and four-legged length. . .