but what happens after zz 9999?
started with AA 0000 to 9999
then AB 0000 to 9999 : then AC 0000 to 9999 etc...
after AZ 0000 to 9999 started BA 0000-9999 : BB 0000-9999 so on
hope this makes sense

started with AA 0000 to 9999
then AB 0000 to 9999 : then AC 0000 to 9999 etc...
after AZ 0000 to 9999 started BA 0000-9999 : BB 0000-9999 so on
hope this makes sense
yah... smthin like this