* Add 1 Part 3794b Light Bluish Gray Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper) (Alternate) (match ID 1)
* Change 1 Part Light Bluish Gray 15573 Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper) {match ID 1 to 1}
Comments from Submitter:
Alternate occurred in each of 4 sets parted out.