Multi level submenu, return to previous level and main menu as options

I am working on a multi-level menu and I want to implement the ability for sub menus and sub-sub menus to return to the previous menu or go directly back to the main menu. Please see below...

[Menu]
1 - Option 1
2 - Option 2
3 - Quit (exit command)

Please choose option:

#Under Option 1
1 - Sub-Option 1
2 - Sub-Option 2
3 - back to main menu

#Under Sub-Option 1
1 - Sub-sub Option 1
2 - Sub-sub Option 2 
3 - back to Sub-option menu
4 - back to main menu

My current code keeps each menu in a separate function. I included my Sub-Option menu below...

suite_menu() {
    show_suite_menu

    read -p "Pick Number> " choice

    case $choice in

	    1)  echo "1 selected."
            fullsuite_menu ;;
	    2)  echo "2 selected."
            fullsuite_menu ;;
        3)  echo "3 selected."
            fullsuite_menu ;;
        0)  break;;
        *) echo "Invalid choice, please try again";;
    esac
}

How could I code my sub-sub-option menu to have option 3 going to the menu above, and option 0 going to main menu? Thanks in advance <3