* Add 2 Part 14520 Dark Bluish Gray Brick, Modified 2 x 4 - 1 x 4 with 2 Recessed Studs and Thin Side Arches (Alternate) (match ID 1)
* Change 2 Part Dark Bluish Gray 52038 Brick, Modified 2 x 4 - 1 x 4 with 2 Recessed Studs and Thick Side Arches {match ID 0 to 1}