1230 x 21000
1230 x 21000 = 25830000
Example of 1230 x 21000 pixels banner dimensions.
1180 x 21050 1190 x 21040 1200 x 21030 1210 x 21020 1220 x 21010
1230 x 20950 1230 x 20960 1230 x 20970 1230 x 20980 1230 x 20990
1230 x 21050 1230 x 21040 1230 x 21030 1230 x 21020 1230 x 21010