990 x 20990
990 x 20990 = 20780100
Example of 990 x 20990 pixels banner dimensions.
940 x 21040 950 x 21030 960 x 21020 970 x 21010 980 x 21000
990 x 20940 990 x 20950 990 x 20960 990 x 20970 990 x 20980
990 x 21040 990 x 21030 990 x 21020 990 x 21010 990 x 21000