1280 x 50000
1280 x 50000 = 64000000
Example of 1280 x 50000 pixels banner dimensions.
1230 x 50050 1240 x 50040 1250 x 50030 1260 x 50020 1270 x 50010
1280 x 49950 1280 x 49960 1280 x 49970 1280 x 49980 1280 x 49990
1280 x 50050 1280 x 50040 1280 x 50030 1280 x 50020 1280 x 50010