(1) Vortices, rotary movements, tornadoes -- Note: Not including astronomic orbits (1.13.1), atomic orbits (1.13.1), concentric circles (26.1.4 or 26.1.5) and spirals (26.1.5).
(2) Banderoles, cartouches
(3) Letters or numerals forming geometrical figures, written or typographical matter in perspective
(4) Letters or numerals forming a figure in the shape of an arc of a circle
(5) Letters presenting a special form of writing
(6) Heads of animals of series I
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