||Wednesday, January 7, 2009
(1) Quadrilaterals containing one or more letters
(2) Quadrilaterals with inscriptions projecting beyond one or more of the sides thereof
(3) Rhombs or squares standing on one of the corners thereof
(4) Quadrilateral figures with one or more convex or concave sides -- Note: Not including elongated surfaces with one or more convex or concave sides (25.3.1).
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