260121, 260131, 260509, 260520, 260521, 260528, 280105 - Circles that are totally or partially shaded. Five or more circles. Triangles made of geometric figures, objects, humans, plants or animals. Triangles inside other triangles. Triangles that are completely or partially shaded. Miscellaneous designs with overall triangular shape. Inscriptions in Greek characters, including the following: Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ ς Σ σ Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω.