Design Feature:
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(1) One triangle
(2) Triangular figures with one or more convex or concave sides
(3) Triangular figures with one or more truncated or rounded angles
(4) Other irregular parallelograms, trapezia and quadrilaterals
(5)
(6)
(7) Quadrilaterals containing one or more triangles or lines forming an angle (specify the content)
(8) Quadrilaterals containing other inscriptions
(9) Quadrilaterals with dark surfaces or parts of surfaces
(10) Quadrilaterals containing one or more rounded corners
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