Found with PFGW Version 3.8.0

8203^13220-13220^8203 is 2-PRP! (48.5689s+0.0114s)
8203^13220-13220^8203 is 3-PRP! (48.5409s+0.0111s)
8203^13220-13220^8203 is 5-PRP! (47.8754s+0.0112s)
8203^13220-13220^8203 is 7-PRP! (48.2950s+0.0103s)
8203^13220-13220^8203 is 11-PRP! (49.2900s+0.0108s)

Primality testing 8203^13220-13220^8203 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 19, base 2+sqrt(19)
Calling N-1 BLS with factored part 0.04% and helper 0.03% (0.15% proof)
8203^13220-13220^8203 is Fermat and Lucas PRP! (284.0657s+0.0121s)

To be completed...