PRP PFGW b=3,7
Generalized Lifchitz prime (level 3)
The smallest are :
2^2^2+1^1^1
3^3^3+2^2^2
8^8^8-5^5^5
10^10^10+7^7^7
65^65^65-28^28^28
75^75^75-16^16^16

See also (level 2) https://pzktupel.de/Primetables/TableLifchitz1.php and https://pzktupel.de/Primetables/TableLifchitz2.php

To be completed...