CommonSuperviewSetup.swift

import UIKit

class ViewController: UIViewController {
    
    let viewOne = UIView()
    let viewTwo = UIView()
    let viewThree = UIView()
    let intermediaryView = UIView()
    let viewSuper = UIView()
    let traverser = ViewTraverser()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        viewOne.tag = 22
        viewTwo.tag = 23
        viewSuper.tag = 10
        view.tag = 12
        intermediaryView.addSubview(viewOne)
        intermediaryView.tag = 8
        viewThree.tag = 33
        viewThree.addSubview(viewTwo)
        view.addSubview(viewThree)
        view.addSubview(intermediaryView)
        // logic to check our common superviews goes here
    }
}