770 x 21840
770 x 21840 = 16816800
Example of 770 x 21840 pixels banner dimensions.
720 x 21890 730 x 21880 740 x 21870 750 x 21860 760 x 21850
770 x 21790 770 x 21800 770 x 21810 770 x 21820 770 x 21830
770 x 21890 770 x 21880 770 x 21870 770 x 21860 770 x 21850