1.25×1.25, 1.50×1.50, 1.75×1.75, 2.25×2.25, 2.50×2.50, 2.75×2.75, 2×2, 3.25×3.25, 3.50×3.50, 3.75×3.75, 3×3, 4×4, 5×5