* Add 2 Part 2412a Green Tile, Modified 1 x 2 Grille without Bottom Groove / Lip (Alternate) (match ID 1)
* Change 2 Part Green 2412b Tile, Modified 1 x 2 Grille with Bottom Groove / Lip {match ID 0 to 1}
Comments from Submitter:
Source: sealed set contents (my own collection).