User blog comment:Tymewalk/Brute-forcing So Good's JDNow Number/@comment-26699584-20160617154957/@comment-27914438-20160617181419

On the bright side this method could also apply to any other code, for any other routine.

If this doesn't work, I'll write one that loops through EVERY possible number (from October 12th, 2015 to now) for every code I can think of (SoGood, ManDown, Respect, etc.)