Como organizar: Painel e Front no Laravel 5 (Rotas)

routes.php

<?php

// Painel (ADMIN)
Route::group(['prefix' => 'painel', 'namespace' => 'Painel'], function()
{
  Route::get('posts', ['as' => 'painel.posts.index', 'uses' => 'PostsCtrl@index']); // App/Http/Controllers/Painel/Posts.php
  Route::get('posts/{id}', ['as' => 'painel.posts.show', 'uses' => 'PostsCtrl@show']);
});

// Front (Site)
Route::group(['namespace' => 'Front'], function()
{
  Route::get('posts', ['as' => 'posts.index', 'uses' => 'PostsCtrl@index']); // App/Http/Controllers/Front/Posts.php
  Route::get('posts/{id}', ['as' => 'posts.show', 'uses' => 'PostsCtrl@show']);
});