need help to arrange a complex class diagram

Hello ,

I'm working on an existing application project

in order to get an overview of the application,

I did some retro engineering by generating the package and class diagrams from the source code

  only the problem is that there is a high class number (in the Common package) and I am looking for a solution for

simplify the view of the UML diagram

after changing the layout to a circle, I would like to group all the relationships (aggregation and / or heritage) on each side of the class centered

I put you the projects and an explanatory gap so that you understand better:

https://1drv.ms/u/s!ApLXJipceFJ0nYFVcxDuzPQYdkLqpw?e=Tsm1ac

if you have other tips to arrange a very large class diagram faster, I also take

thank you