take a pic of each bird painting and use the DTS to overlap the pics so that the clover is alligned. the numbers on the clover are the key to unlocking the door.

After you have taken a picture of each bird. Use the DTS icon to selct the film roll. Selct one of the bird pictures and press the up arrow icon to "move" the pic to the top screen. Go to the next bird pic. On the lower screen tap once on the picture. Tap the icon on the left which merges the two picures on the top. You will need to rotate it and mirror flip it. Guide it along until the two "interlock" the numbers on the clover leaves is the code to the door, which is 1128