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.
Biometrics Glossary This Document Last Updated: September 14, 2006 electronic image storage, and electronic exchange of fingerprints and responses. See also AFIS. Iris Recognition A biometric modality that uses an image of the physical structure of an individualâs iris for recognition purposes, as illustrated below.