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#Quadrilaterals #Lines, bands #Letters or numerals forming geometrical figures, written or typographical matter in perspective #Letters presenting a special form of writing #One quadrilateral #Quadrilaterals containing other figurative elements #Quadrilaterals containing one or more letters #Quadrilaterals with dark surfaces or parts of surfaces #More than two lines or two bands #Horizontal lines or bands #Curved lines or bands (except A 26.11.13) #Letters or numerals forming some other geometrical figure #Letters in light-coloured characters on a dark background