Disc Harrow Mismatched Blade Sizes - A problem?

[noobfarmer]

I recently purchased an old Case 12' offset blade which attaches to my 3-point. It has notched blades on the front (worn to around 17") and smooth blades on the back (worn to around 18"). I'd like to replace all of the front, notched blades with 22" blades and leave the rear, smooth blades at 18" (i.e. worn). Will this be a problem that the blade sizes are mismatched from front to back? I can adjust the angle on the top link to dig the back in deeper, if necessary.

Thanks for any advice!