Hello,

I have a list with paired numbers(to be exact 120 pairs), something like that:

351961023560483 9619165511191532

351961023560509 4372118423804205

...

..

.

The first number is given, and the second number is made with some kind of algorithm from the first one.

I'm trying to find a way to get the algorithm for that?

Thank you in advance!