unfortunately, re-printing is not possible since an update of the cvs website in 01/2021.
if you have the sequence number from your extrabucks (or crt):
log in to your cvs account
then go to the following url after replacing "replacewithyoursequencenumber" with your number
https://www.cvs.com/weeklyad/common/ec_print_coupon.jsp?ec=replacewithyoursequencenumber
or use hiro's toolbox!