* Add 22 Part 3794b Black Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper) (Alternate) (match ID 2)
* Change 22 Part Black 15573 Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper) {match ID 0 to 2}
Comments from Submitter:
some sets have black 1x2 jumper with groove instead of with groove and bottom stud holder