3.71 m33 theme to 3.52 m33-4?

I had firmware 3.71 M33-2, but didn't like it so went back down to 3.52 M33-4. When I was using 3.71 m33-2, I made a custom ptf theme. I was wondering if it was possible to convert the ptf theme I created for 3.71 m33-2, and use it on 3.52 m33.