Unfortunately, you have been caught in a lie in your appeal. Third-person mode has always been disabled and never an option to play with. The ONLY WAY to access third-person is with a third party program AKA a cheat. So, you having admitted to just using it confirms you were cheating. Now, I can understand wanting to play, but it tends to go better for most people when they don't start their appeal with a lie.
In most cases, I would have been willing to give you another chance seeing how this was almost two years ago. But, the honesty in your appeal has got me questioning that. I will be