http://someurl.com/first_url
http://someurl.com/second_url

http://someurl.com/first_url/product1
http://someurl.com/first_url/product2
http://someurl.com/first_url/product3

http://someurl.com/second_url/product1
http://someurl.com/second_url/product2
http://someurl.com/second_url/product3

Disallow: /first_url/*/
Disallow: /second_url/*/

Disallow: /first_url/*
Disallow: /second_url/*