A _PWP_ or _Palindromic Wing Prime_ : 33..33133..33
Ref.: file _wing.htm_ at _www.worldofnumbers.com_.
PRP to base 3,5,7.
PFGW Version 20041020.Win_Stable (v1.2 RC1c) [FFT v23.8].
Date of submission : 5 july 2005.

To be completed...