length of primes array = 12
frist prime = Iberville
last prime = Dumaine
last prime =  Dumaine

The inital array ... 
Iberville
Decatur
Toulouse
Burbon
Dauphine
Royal
St Ann
St Peter
Conti
Exchange
Bienville
Dumaine

The final array ...
Dumaine
Decatur
Toulouse
Burbon
Dauphine
Royal
St Ann
St Peter
Conti
Exchange
Bienville
Iberville