That's the answer to your description's question: before or on the 51st ball drawn. But since your heading asks a slightly different question, I'll also answer your heading's question, which is just before 51 balls.
Looking for the definition of AFIS? Find out what is the full meaning of AFIS on Abbreviations.com! 'Automated Fingerprint Identification System' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource.
AFI (A Fire Inside) is an American punk rock band. AFI was formed in 1991 by Davey Havok (vocals), Mark Blackwelder (guitar), Vic Chalker (bass) and Adam Carson (drums) in Ukiah, California. Bassist Vic lost interest and was replaced by Geoff Kresge. Kresge left the AFI to be part of the band Tiger Army and the spot was filled by Hunter Burgan.