1668 x 40000
1668 x 40000 = 66720000
Example of 1668 x 40000 pixels banner dimensions.
1618 x 40050 1628 x 40040 1638 x 40030 1648 x 40020 1658 x 40010
1668 x 39950 1668 x 39960 1668 x 39970 1668 x 39980 1668 x 39990
1668 x 40050 1668 x 40040 1668 x 40030 1668 x 40020 1668 x 40010