1340 x 20000
1340 x 20000 = 26800000
Example of 1340 x 20000 pixels banner dimensions.
1290 x 20050 1300 x 20040 1310 x 20030 1320 x 20020 1330 x 20010
1340 x 19950 1340 x 19960 1340 x 19970 1340 x 19980 1340 x 19990
1340 x 20050 1340 x 20040 1340 x 20030 1340 x 20020 1340 x 20010