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 (short for 'A Fire Inside') gained most of their popularity at the end of the 1990's, but the band has been around since1991. Formed in Ukiah, California during high school, the early sound can roughly described as Misfits inspired Punk.