Simple Codeigniter + HMVC working but how can i working with multiple CI instance like admin and front

Question

First of thank you for my help. I am using CI.3.0 ver. I am using simple CI with HMVC but when i am creating seperate CI then it will not work can any one help me.

MY actutal URL http://localhost/cms/admin.php?c=users&m=data

Like http://localhost/cms/admin.php/users

but this is called application/admin/controller/user.php

But i want to call module wise like call this one

application/admin/modules/users/controller/user.php

My Folder structure are below:

-application
    --admin
        ---cache
        ---config
        ---controllers
            ---- Users.php
        ---core
        ---helpers
        ---hooks
        ---language
        ---libraries
        ---log
        ---models
        ---modules
            ---- users
                ------controllers
                    --------Users.php
                ------model
                ------Views
        ---third_party
            ----MX
                Base.php
                Ci.php
                Controller.php
                ..
                ..
                Router.php
        ---views
        ---.htaccess
    --common
        ---cache
        ---ci_session
        ---helpers
        ---libraries
    --frontend
        ---cache
        ---config
        ---controllers
        ---core
        ---helpers
        ---hooks
        ---language
        ---libraries
        ---log
        ---models
        ---modules
        ---third_party
        ---views
        ---.htaccess
-resource
-system
-index.php
-admin.php
.htaccess