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.
Beaverton, Oregon. Assets for Independence (AFI) is a community-based approach for giving low-income families a hand up out of poverty. Utilizing existing individual and community assets, AFI strengthens communities from within through the use of matched savings accounts called Individual Development Accounts (IDAs).