How many strokes does Wei Ziqun have?

Wei Yi leather, Erheng leather, Sanshu leather, four leather, five leather, Liu Pi leather, seven leather, eight horizontal leather, nine leather, ten leather, eleven leather, twelve leather, thirteen leather, fourteen leather, fifteen leather, sixteen leather, seventeen leather and eighteen leather.

One horizontal, two vertical, three vertical, four points, five left, six horizontal.

Group 1 transverse fold, 2 transverse fold, 3 transverse fold, 4 left fold, 5 vertical fold, 6 transverse fold, 7 transverse fold, 8 o'clock, 9 o'clock, 10 transverse fold,1transverse fold, 12 transverse fold.

The total is 18+6+ 13=37.