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#Surfaces or backgrounds covered with repeated geometrical figures, figurative elements or inscriptions #Quadrilaterals #Lines, bands #Letters presenting a special form of writing #Colours #Surfaces or backgrounds covered with squares or rectangles (except A 25.7.4) #Rectangles #Rhombs or squares standing on one of the corners thereof #Quadrilaterals containing other figurative elements #Quadrilaterals containing one or more letters #Quadrilaterals with dark surfaces or parts of surfaces #Thin lines #Vertical lines or bands #Horizontal lines or bands #Letters or numerals forming geometrical figures, written or typographical matter in perspective #Series of letters presenting different forms of writing #Series of letters in different dimensions #Letters in light-coloured characters on a dark background #Four colours