gistfile1.txt

'album' => array(
                'type'    => 'Segment',
                'options' => array(
                    'route'    => '/album[/:page]',
                    'constraints' => array(
                        'page'          => '[0-9]+',
                    ),
                    'defaults' => array(
                        'controller'    => 'album',
                        'action'        => 'list',
                    ),
                ),
                'may_terminate' => true,
                'child_routes' => array(
                    'single' => array(
                        'type'    => 'Segment',
                        'options' => array(
                            'route'    => '/:title{-}-:id',
                            'constraints' => array(
                                'title'         => '[a-zA-Z0-9_-]*',
                                'id'            => '[0-9]+',
                            ),
                            'defaults' => array(
                                'action'        => 'index',
                            ),
                        ),
                    ),
                ),
            ),