Design Feature:
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(1) Rectangles
(2) Rhombs or squares standing on one of the corners thereof
(3) More than two quadrilaterals, inside one another
(4) Several quadrilaterals juxtaposed, joined or intersecting
(5) Quadrilaterals with dark surfaces or parts of surfaces
(6) Letters or numerals forming any other quadrilateral (surface or periphery)
(7) Red,
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