770 x 27680
770 x 27680 = 21313600
Example of 770 x 27680 pixels banner dimensions.
720 x 27730 730 x 27720 740 x 27710 750 x 27700 760 x 27690
770 x 27630 770 x 27640 770 x 27650 770 x 27660 770 x 27670
770 x 27730 770 x 27720 770 x 27710 770 x 27700 770 x 27690