260121, 260130, 261701, 261704, 261706, 270305, 280105 - Circles that are totally or partially shaded. Four Circles. Straight line(s), band(s) or bar(s). Vertical line(s), band(s) or bar(s). Diagonal line(s), band(s) or bar(s). Representations of objects forming letters or numerals, including punctuation. 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.