||Wednesday, June 30, 2004
(1) Wavy lines or bands, zigzag lines or bands
(2) More than two lines or two bands
(3) Quadrilaterals with dark surfaces or parts of surfaces
(4) Rhombs or squares standing on one of the corners thereof
(5) One quadrilateral
(6) 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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