Lutter Sicherheitsdienst

#More than two quadrilaterals, inside one another #Quadrilaterals with dark surfaces or parts of surfaces #Quadrilaterals containing one or more letters #Quadrilaterals containing one or more triangles or lines forming an angle (specify the content) #Lines or bands forming an angle #Triangles containing one or more letters #One triangle #Letters linked to a figurative element #Letters in light-coloured characters on a dark background #Series of letters separated from one another other than by a single space #Series of letters in different dimensions #Series of letters presenting different forms of writing #Black #White, grey, silver