Copy Role in SAP

I want a way to copy one role to 60 diffrent roles

and each of these craeted new roles i want to change one authorization object with a diffrent values

for example the Orignal role Z:original

and the new roles will be:

Z:original 1

Z:original 2

Z:original 3

Z:original 4

the copied roles have one repeated authrization object called AUTH, this object should have a diffrent valueaccording to it's role

Z:original 1 -----> AUTH 1

Z:original 2 -----> AUTH 2

Z:original 3 -----> AUTH 3

Z:original 4 -----> AUTH 4

could you plesae help me with the best way to do that.

thank you,,