I would suggest you add two custom links to your CPT submenu, related:
How to Add a Sub Menu Page to a Custom Post Type?
The callback function of these submenu pages could then display your subset of custom post types.
I would suggest you add two custom links to your CPT submenu, related:
How to Add a Sub Menu Page to a Custom Post Type?
The callback function of these submenu pages could then display your subset of custom post types.