User-agent: MJ12bot
Disallow: /
User-agent: AhrefsBot
Disallow: /
User-agent: *
Disallow: /book
Disallow: /code
Disallow: /access
Disallow: /kiosk
Disallow: /teach
Disallow: /admin
Disallow: /signup
Disallow: /login
Disallow: /contact