User-agent: blog*
Disallow: blog/wp-
Disallow: blog/search
Disallow: blog/feed
Disallow: blog/comments/feed
Disallow: blog/feed/$
Disallow: blog/*/feed/$
Disallow: blog/*/feed/rss/$
Disallow: blog/*/trackback/$
Disallow: blog/*/*/feed/$
Disallow: blog/*/*/feed/rss/$
Disallow: blog/*/*/trackback/$
Disallow: blog/*/*/*/feed/$
Disallow: blog/*/*/*/feed/rss/$
Disallow: blog/*/*/*/trackback/$