Does anyone know about portal and portal 2? If you do, there are many hints that chell was there BEFORE the events of portal 1

1. listen to this
"Hello and, again, welcome to the Aperture Science computer-aided enrichment center."

Did you see something? Here it is one more time
"Hello and, again, welcome to the Aperture Science computer-aided enrichment center."
             ^*Clue*^

See???

2. Again, listen.

• "We hope your brief detention in the relaxation vault has been a pleasant one."
•                          ^* Clue *^
• "Your specimen has been processed and we are now ready to begin the test proper."
•                 ^*Clue*^

See, this proves it.

More clues later,

Me