1778 x 21600
1778 x 21600 = 38404800
Example of 1778 x 21600 pixels banner dimensions.
1728 x 21650 1738 x 21640 1748 x 21630 1758 x 21620 1768 x 21610
1778 x 21550 1778 x 21560 1778 x 21570 1778 x 21580 1778 x 21590
1778 x 21650 1778 x 21640 1778 x 21630 1778 x 21620 1778 x 21610