User-agent: *
Disallow: /

User-agent: Googlebot
Allow: /abst/
Disallow: /abst/src/
Disallow: /abst/*.xlsx$

User-agent: AdsBot-Google
Allow: /abst/
Disallow: /abst/src/
Disallow: /abst/*.xlsx$

User-agent: Bingbot
Allow: /abst/
Disallow: /abst/src/
Disallow: /abst/*.xlsx$

User-agent: Slurp
Allow: /abst/
Disallow: /abst/src/
Disallow: /abst/*.xlsx$