1) "DRUPAL-4-7--1" and "DRUPAL-4-7--1-0"
2) "DRUPAL-4-7-V-1" and "DRUPAL-4-7-V-1-0"
3) "DRUPAL-4-7-R-1" and "DRUPAL-4-7-R-1-0"
4) "DRUPAL-4-7-REV-1" and "DRUPAL-4-7-REV-1-0"
5) "DRUPAL-4-7_1" and "DRUPAL-4-7_1-0" (just for comparison, this isn't
a contender)
#1. :)