010304, 260317, 260321, 261121, 261713, 280105 - Starry sky, including galaxies. Concentric ovals and ovals within ovals. Ovals that are completely or partially shaded. Rectangles that are completely or partially shaded. Letters or words underlined and/or overlined by one or more strokes or lines. 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.