820 x 15000
820 x 15000 = 12300000
Example of 820 x 15000 pixels banner dimensions.
770 x 15050 780 x 15040 790 x 15030 800 x 15020 810 x 15010
820 x 14950 820 x 14960 820 x 14970 820 x 14980 820 x 14990
820 x 15050 820 x 15040 820 x 15030 820 x 15020 820 x 15010