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#Series of letters presenting different forms of writing #Rectangles #Series of letters separated from one another other than by a single space #Quadrilaterals containing one or more letters #Letters in light-coloured characters on a dark background #Letters crossed or barred by letters, numerals or a figurative element #Dots #White, grey, silver #Black #Protective helmets #Letters linked to a figurative element #Yellow, gold #Series of letters in different dimensions #Quadrilaterals containing other figurative elements #One quadrilateral #Quadrilaterals with dark surfaces or parts of surfaces