Design Feature:
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(1) One circle
(2) Circles with dark surfaces or parts of surfaces
(3) Several triangles, juxtaposed, joined or intersecting
(4) Triangular figures with one or more convex or concave sides
(5) Triangles with dark surfaces or parts of surfaces
(6) Other combinations of different geometrical figures, juxtaposed, joined or intersecting, combinations of more than two different geometrical figures
(7) One line or one band
(8) Curved lines or bands (except A 26.11.13)
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