1378 x 21600
1378 x 21600 = 29764800
Example of 1378 x 21600 pixels banner dimensions.
1328 x 21650 1338 x 21640 1348 x 21630 1358 x 21620 1368 x 21610
1378 x 21550 1378 x 21560 1378 x 21570 1378 x 21580 1378 x 21590
1378 x 21650 1378 x 21640 1378 x 21630 1378 x 21620 1378 x 21610