Challenge06a Sizes: 150 × 150 / 300 × 200 / 768 × 512 / 1.024 × 683 / 800 × 2.000 / 1.536 × 1.024 / 2.048 × 1.365 / 175 × 131 / 750 × 500 / 350 × 233 / 45 × 45 / 272 × 182 / 2.560 × 1.707
