User-agent: * 
Crawl-Delay: 20
Sitemap: http://dgtal-mind.com/sitemap.xml
Sitemap: http://dgtal-mind.com/sitemap_1.xml
Sitemap: http://dgtal-mind.com/sitemap_2.xml
Sitemap: http://dgtal-mind.com/sitemap_3.xml
Sitemap: http://dgtal-mind.com/sitemap_4.xml
Sitemap: http://dgtal-mind.com/sitemap_5.xml