http://www.example.com/index.htm 2005-01-01 monthly 0.8 http://www.example.com/page_1.htm 2005-01-01 monthly 0.8 http://www.example.com/page_2.htm 2005-01-01 monthly 0.8 http://www.example.com/page_3.htm 2005-01-01 monthly 0.8 http://www.example.com/page_4.htm 2005-01-01 monthly 0.8