help with routing again

[eluser]AndyBrandy[/eluser]
Hello,

i need help with routing again.

I want all pages will be routed into welcome class, method pages

Code:

$route[':any'] = "welcome/pages";

and admin in first uri_segment will be routed into admin class, but
every second uri_segment have own method in admin class.

i try this code:

Code:

$route['admin'] = 'admin';

but it not works...