How to make multi level nested states work with ionNavView?

Here is the example from this documentation of ionNavView that demonastrates its usages with different states. The history navigation and links on the page page perfectly works with various states. However, with multi leve nested states, you need to specify absolute viewname in the form of viewname@statename, so that it can target ionNavView where template should be rendered. Check out this for the examplae.

Also check this out if you want to know more about nested states and views