* Add 1 Part 2412a Light Gray Tile, Modified 1 x 2 Grille without Bottom Groove / Lip (match ID 2)
* Change 1 Part Light Gray 2412b Tile, Modified 1 x 2 Grille with Bottom Groove / Lip {Regular to Alternate} {match ID 0 to 2}
* Add 1 Part 2412a Light Gray Tile, Modified 1 x 2 Grille without Bottom Groove / Lip (match ID 2)
* Change 1 Part Light Gray 2412b Tile, Modified 1 x 2 Grille with Bottom Groove / Lip {Regular to Alternate} {match ID 0 to 2}