Rotate specific pages in your pdf file
rotation is CLOCKWISE
syntax ==>
':' - Angle separator
'-' - Bundles pages both inclusive
',' - Separates multiple bundles
1:90 - rotate page 1 by 90 degrees
1-3:180 - rotate page 1 to 3 by 180 degrees
1-3:90,4-7:270,8-10:90 - rotate page 1 to 3 by 90 degrees, and page 4 to 7 by 270 degrees, and rotate page 8 to 10 by 90 degrees